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Finding the Fourth Proportional to 62,188.89, 85,834.53 and 39,523.47

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Solution

The fourth proportional to 62,188.89, 85,834.53 and 39,523.47 is: 54,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.89 : 85,834.53 = 39,523.47 : x
  2. Step 2: Convert to fraction form
    62,188.89/85,834.53 = 39,523.47/x
  3. Step 3: Cross multiply
    62,188.89x = 85,834.53 × 39,523.47
  4. Step 4: Simplify right side
    62,188.89x = 3,392,478,471.42
  5. Step 5: Solve for x
    x = 3,392,478,471.42/62,188.89
  6. Step 6: Final answer
    x = 54,551.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.