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Finding the Fourth Proportional to 63,177.66, 94,789.05 and 27,138.98

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Solution

The fourth proportional to 63,177.66, 94,789.05 and 27,138.98 is: 40,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,177.66 : 94,789.05 = 27,138.98 : x
  2. Step 2: Convert to fraction form
    63,177.66/94,789.05 = 27,138.98/x
  3. Step 3: Cross multiply
    63,177.66x = 94,789.05 × 27,138.98
  4. Step 4: Simplify right side
    63,177.66x = 2,572,478,132.17
  5. Step 5: Solve for x
    x = 2,572,478,132.17/63,177.66
  6. Step 6: Final answer
    x = 40,718.16

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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.