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Finding the Fourth Proportional to 92,387.34, 127,527.30 and 54,661.50

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Solution

The fourth proportional to 92,387.34, 127,527.30 and 54,661.50 is: 75,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387.34 : 127,527.30 = 54,661.50 : x
  2. Step 2: Convert to fraction form
    92,387.34/127,527.30 = 54,661.50/x
  3. Step 3: Cross multiply
    92,387.34x = 127,527.30 × 54,661.50
  4. Step 4: Simplify right side
    92,387.34x = 6,970,833,508.95
  5. Step 5: Solve for x
    x = 6,970,833,508.95/92,387.34
  6. Step 6: Final answer
    x = 75,452.26

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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.