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Finding the Fourth Proportional to 92,397.52, 138,544.44 and 54,969.04

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Solution

The fourth proportional to 92,397.52, 138,544.44 and 54,969.04 is: 82,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,397.52 : 138,544.44 = 54,969.04 : x
  2. Step 2: Convert to fraction form
    92,397.52/138,544.44 = 54,969.04/x
  3. Step 3: Cross multiply
    92,397.52x = 138,544.44 × 54,969.04
  4. Step 4: Simplify right side
    92,397.52x = 7,615,654,864.14
  5. Step 5: Solve for x
    x = 7,615,654,864.14/92,397.52
  6. Step 6: Final answer
    x = 82,422.72

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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.