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Finding the Fourth Proportional to 92,081.74, 126,964.11 and 63,024.12

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Solution

The fourth proportional to 92,081.74, 126,964.11 and 63,024.12 is: 86,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,081.74 : 126,964.11 = 63,024.12 : x
  2. Step 2: Convert to fraction form
    92,081.74/126,964.11 = 63,024.12/x
  3. Step 3: Cross multiply
    92,081.74x = 126,964.11 × 63,024.12
  4. Step 4: Simplify right side
    92,081.74x = 8,001,801,304.33
  5. Step 5: Solve for x
    x = 8,001,801,304.33/92,081.74
  6. Step 6: Final answer
    x = 86,898.89

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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.