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Finding the Fourth Proportional to 73,749,480.30, 110,624,220.45 and 35,485,728.30

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Solution

The fourth proportional to 73,749,480.30, 110,624,220.45 and 35,485,728.30 is: 53,228,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749,480.30 : 110,624,220.45 = 35,485,728.30 : x
  2. Step 2: Convert to fraction form
    73,749,480.30/110,624,220.45 = 35,485,728.30/x
  3. Step 3: Cross multiply
    73,749,480.30x = 110,624,220.45 × 35,485,728.30
  4. Step 4: Simplify right side
    73,749,480.30x = 3,925,581,030,288,003.50
  5. Step 5: Solve for x
    x = 3,925,581,030,288,003.50/73,749,480.30
  6. Step 6: Final answer
    x = 53,228,592.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.