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Finding the Fourth Proportional to 92,755.53, 127,956.87 and 62,502.03

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Solution

The fourth proportional to 92,755.53, 127,956.87 and 62,502.03 is: 86,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,755.53 : 127,956.87 = 62,502.03 : x
  2. Step 2: Convert to fraction form
    92,755.53/127,956.87 = 62,502.03/x
  3. Step 3: Cross multiply
    92,755.53x = 127,956.87 × 62,502.03
  4. Step 4: Simplify right side
    92,755.53x = 7,997,564,127.45
  5. Step 5: Solve for x
    x = 7,997,564,127.45/92,755.53
  6. Step 6: Final answer
    x = 86,221.97

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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.