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Finding the Fourth Proportional to 416,781.03, 625,171.53 and 101,235.81

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Solution

The fourth proportional to 416,781.03, 625,171.53 and 101,235.81 is: 151,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,781.03 : 625,171.53 = 101,235.81 : x
  2. Step 2: Convert to fraction form
    416,781.03/625,171.53 = 101,235.81/x
  3. Step 3: Cross multiply
    416,781.03x = 625,171.53 × 101,235.81
  4. Step 4: Simplify right side
    416,781.03x = 63,289,746,228.49
  5. Step 5: Solve for x
    x = 63,289,746,228.49/416,781.03
  6. Step 6: Final answer
    x = 151,853.71

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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.