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Finding the Fourth Proportional to 92,681.57, 127,898.42 and 52,393.61

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Solution

The fourth proportional to 92,681.57, 127,898.42 and 52,393.61 is: 72,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.57 : 127,898.42 = 52,393.61 : x
  2. Step 2: Convert to fraction form
    92,681.57/127,898.42 = 52,393.61/x
  3. Step 3: Cross multiply
    92,681.57x = 127,898.42 × 52,393.61
  4. Step 4: Simplify right side
    92,681.57x = 6,701,059,675.13
  5. Step 5: Solve for x
    x = 6,701,059,675.13/92,681.57
  6. Step 6: Final answer
    x = 72,301.97

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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.