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Finding the Fourth Proportional to 373,902, 560,854.20 and 93,419.28

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Solution

The fourth proportional to 373,902, 560,854.20 and 93,419.28 is: 140,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902 : 560,854.20 = 93,419.28 : x
  2. Step 2: Convert to fraction form
    373,902/560,854.20 = 93,419.28/x
  3. Step 3: Cross multiply
    373,902x = 560,854.20 × 93,419.28
  4. Step 4: Simplify right side
    373,902x = 52,394,595,548.98
  5. Step 5: Solve for x
    x = 52,394,595,548.98/373,902
  6. Step 6: Final answer
    x = 140,129.22

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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.