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Finding the Fourth Proportional to 92,446.61, 127,565.34 and 52,158.02

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Solution

The fourth proportional to 92,446.61, 127,565.34 and 52,158.02 is: 71,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,446.61 : 127,565.34 = 52,158.02 : x
  2. Step 2: Convert to fraction form
    92,446.61/127,565.34 = 52,158.02/x
  3. Step 3: Cross multiply
    92,446.61x = 127,565.34 × 52,158.02
  4. Step 4: Simplify right side
    92,446.61x = 6,653,555,555.03
  5. Step 5: Solve for x
    x = 6,653,555,555.03/92,446.61
  6. Step 6: Final answer
    x = 71,971.87

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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.