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Finding the Fourth Proportional to 374,585.88, 561,761.70 and 125,209.56

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Solution

The fourth proportional to 374,585.88, 561,761.70 and 125,209.56 is: 187,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,585.88 : 561,761.70 = 125,209.56 : x
  2. Step 2: Convert to fraction form
    374,585.88/561,761.70 = 125,209.56/x
  3. Step 3: Cross multiply
    374,585.88x = 561,761.70 × 125,209.56
  4. Step 4: Simplify right side
    374,585.88x = 70,337,935,281.85
  5. Step 5: Solve for x
    x = 70,337,935,281.85/374,585.88
  6. Step 6: Final answer
    x = 187,775.19

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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.