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Finding the Fourth Proportional to 68,242.57, 94,177.64 and 38,027.91

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Solution

The fourth proportional to 68,242.57, 94,177.64 and 38,027.91 is: 52,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,242.57 : 94,177.64 = 38,027.91 : x
  2. Step 2: Convert to fraction form
    68,242.57/94,177.64 = 38,027.91/x
  3. Step 3: Cross multiply
    68,242.57x = 94,177.64 × 38,027.91
  4. Step 4: Simplify right side
    68,242.57x = 3,581,378,817.93
  5. Step 5: Solve for x
    x = 3,581,378,817.93/68,242.57
  6. Step 6: Final answer
    x = 52,480.13

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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.