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Finding the Fourth Proportional to 416,782.38, 625,164.92 and 101,240.94

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Solution

The fourth proportional to 416,782.38, 625,164.92 and 101,240.94 is: 151,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,782.38 : 625,164.92 = 101,240.94 : x
  2. Step 2: Convert to fraction form
    416,782.38/625,164.92 = 101,240.94/x
  3. Step 3: Cross multiply
    416,782.38x = 625,164.92 × 101,240.94
  4. Step 4: Simplify right side
    416,782.38x = 63,292,284,155.82
  5. Step 5: Solve for x
    x = 63,292,284,155.82/416,782.38
  6. Step 6: Final answer
    x = 151,859.31

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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.