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Finding the Fourth Proportional to 92,963.18, 139,502.01 and 36,793.73

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Solution

The fourth proportional to 92,963.18, 139,502.01 and 36,793.73 is: 55,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.18 : 139,502.01 = 36,793.73 : x
  2. Step 2: Convert to fraction form
    92,963.18/139,502.01 = 36,793.73/x
  3. Step 3: Cross multiply
    92,963.18x = 139,502.01 × 36,793.73
  4. Step 4: Simplify right side
    92,963.18x = 5,132,799,290.40
  5. Step 5: Solve for x
    x = 5,132,799,290.40/92,963.18
  6. Step 6: Final answer
    x = 55,213.25

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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.