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Finding the Fourth Proportional to 416,778.02, 625,167.03 and 101,232.80

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Solution

The fourth proportional to 416,778.02, 625,167.03 and 101,232.80 is: 151,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,778.02 : 625,167.03 = 101,232.80 : x
  2. Step 2: Convert to fraction form
    416,778.02/625,167.03 = 101,232.80/x
  3. Step 3: Cross multiply
    416,778.02x = 625,167.03 × 101,232.80
  4. Step 4: Simplify right side
    416,778.02x = 63,287,405,788.75
  5. Step 5: Solve for x
    x = 63,287,405,788.75/416,778.02
  6. Step 6: Final answer
    x = 151,849.19

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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.