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Finding the Fourth Proportional to 416,730.92, 625,091.74 and 101,187.56

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Solution

The fourth proportional to 416,730.92, 625,091.74 and 101,187.56 is: 151,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,730.92 : 625,091.74 = 101,187.56 : x
  2. Step 2: Convert to fraction form
    416,730.92/625,091.74 = 101,187.56/x
  3. Step 3: Cross multiply
    416,730.92x = 625,091.74 × 101,187.56
  4. Step 4: Simplify right side
    416,730.92x = 63,251,507,946.75
  5. Step 5: Solve for x
    x = 63,251,507,946.75/416,730.92
  6. Step 6: Final answer
    x = 151,780.21

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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.