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Finding the Fourth Proportional to 101,358.84, 152,055.54 and 31,236.60

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Solution

The fourth proportional to 101,358.84, 152,055.54 and 31,236.60 is: 46,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,358.84 : 152,055.54 = 31,236.60 : x
  2. Step 2: Convert to fraction form
    101,358.84/152,055.54 = 31,236.60/x
  3. Step 3: Cross multiply
    101,358.84x = 152,055.54 × 31,236.60
  4. Step 4: Simplify right side
    101,358.84x = 4,749,698,080.76
  5. Step 5: Solve for x
    x = 4,749,698,080.76/101,358.84
  6. Step 6: Final answer
    x = 46,860.23

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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.