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Finding the Fourth Proportional to 416,799.15, 625,193.25 and 101,255.15

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Solution

The fourth proportional to 416,799.15, 625,193.25 and 101,255.15 is: 151,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,799.15 : 625,193.25 = 101,255.15 : x
  2. Step 2: Convert to fraction form
    416,799.15/625,193.25 = 101,255.15/x
  3. Step 3: Cross multiply
    416,799.15x = 625,193.25 × 101,255.15
  4. Step 4: Simplify right side
    416,799.15x = 63,304,033,181.77
  5. Step 5: Solve for x
    x = 63,304,033,181.77/416,799.15
  6. Step 6: Final answer
    x = 151,881.39

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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.