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Finding the Fourth Proportional to 61,732.91, 85,190.96 and 34,874.93

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Solution

The fourth proportional to 61,732.91, 85,190.96 and 34,874.93 is: 48,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,732.91 : 85,190.96 = 34,874.93 : x
  2. Step 2: Convert to fraction form
    61,732.91/85,190.96 = 34,874.93/x
  3. Step 3: Cross multiply
    61,732.91x = 85,190.96 × 34,874.93
  4. Step 4: Simplify right side
    61,732.91x = 2,971,028,766.63
  5. Step 5: Solve for x
    x = 2,971,028,766.63/61,732.91
  6. Step 6: Final answer
    x = 48,127.15

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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.