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Finding the Fourth Proportional to 125,363.89, 187,913.94 and 41,102.20

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Solution

The fourth proportional to 125,363.89, 187,913.94 and 41,102.20 is: 61,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,363.89 : 187,913.94 = 41,102.20 : x
  2. Step 2: Convert to fraction form
    125,363.89/187,913.94 = 41,102.20/x
  3. Step 3: Cross multiply
    125,363.89x = 187,913.94 × 41,102.20
  4. Step 4: Simplify right side
    125,363.89x = 7,723,676,344.67
  5. Step 5: Solve for x
    x = 7,723,676,344.67/125,363.89
  6. Step 6: Final answer
    x = 61,610.06

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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.