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Finding the Fourth Proportional to 92,294.54, 138,453.34 and 36,127.40

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Solution

The fourth proportional to 92,294.54, 138,453.34 and 36,127.40 is: 54,195.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,294.54 : 138,453.34 = 36,127.40 : x
  2. Step 2: Convert to fraction form
    92,294.54/138,453.34 = 36,127.40/x
  3. Step 3: Cross multiply
    92,294.54x = 138,453.34 × 36,127.40
  4. Step 4: Simplify right side
    92,294.54x = 5,001,959,195.52
  5. Step 5: Solve for x
    x = 5,001,959,195.52/92,294.54
  6. Step 6: Final answer
    x = 54,195.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.