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Finding the Fourth Proportional to 416,695.79, 625,039.13 and 101,152.70

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Solution

The fourth proportional to 416,695.79, 625,039.13 and 101,152.70 is: 151,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,695.79 : 625,039.13 = 101,152.70 : x
  2. Step 2: Convert to fraction form
    416,695.79/625,039.13 = 101,152.70/x
  3. Step 3: Cross multiply
    416,695.79x = 625,039.13 × 101,152.70
  4. Step 4: Simplify right side
    416,695.79x = 63,224,395,076.73
  5. Step 5: Solve for x
    x = 63,224,395,076.73/416,695.79
  6. Step 6: Final answer
    x = 151,727.94

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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.