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Finding the Fourth Proportional to 92,169.91, 138,114.02 and 62,072.86

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Solution

The fourth proportional to 92,169.91, 138,114.02 and 62,072.86 is: 93,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,169.91 : 138,114.02 = 62,072.86 : x
  2. Step 2: Convert to fraction form
    92,169.91/138,114.02 = 62,072.86/x
  3. Step 3: Cross multiply
    92,169.91x = 138,114.02 × 62,072.86
  4. Step 4: Simplify right side
    92,169.91x = 8,573,132,227.50
  5. Step 5: Solve for x
    x = 8,573,132,227.50/92,169.91
  6. Step 6: Final answer
    x = 93,014.44

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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.