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Finding the Fourth Proportional to 110,749.60, 152,776.24 and 74,951.60

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Solution

The fourth proportional to 110,749.60, 152,776.24 and 74,951.60 is: 103,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,749.60 : 152,776.24 = 74,951.60 : x
  2. Step 2: Convert to fraction form
    110,749.60/152,776.24 = 74,951.60/x
  3. Step 3: Cross multiply
    110,749.60x = 152,776.24 × 74,951.60
  4. Step 4: Simplify right side
    110,749.60x = 11,450,823,629.98
  5. Step 5: Solve for x
    x = 11,450,823,629.98/110,749.60
  6. Step 6: Final answer
    x = 103,393.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.