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Finding the Fourth Proportional to 92,589.79, 127,773.31 and 52,316.59

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Solution

The fourth proportional to 92,589.79, 127,773.31 and 52,316.59 is: 72,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.79 : 127,773.31 = 52,316.59 : x
  2. Step 2: Convert to fraction form
    92,589.79/127,773.31 = 52,316.59/x
  3. Step 3: Cross multiply
    92,589.79x = 127,773.31 × 52,316.59
  4. Step 4: Simplify right side
    92,589.79x = 6,684,663,872.21
  5. Step 5: Solve for x
    x = 6,684,663,872.21/92,589.79
  6. Step 6: Final answer
    x = 72,196.56

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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.