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Finding the Fourth Proportional to 92,036.52, 138,057.84 and 25,471.08

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Solution

The fourth proportional to 92,036.52, 138,057.84 and 25,471.08 is: 38,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,036.52 : 138,057.84 = 25,471.08 : x
  2. Step 2: Convert to fraction form
    92,036.52/138,057.84 = 25,471.08/x
  3. Step 3: Cross multiply
    92,036.52x = 138,057.84 × 25,471.08
  4. Step 4: Simplify right side
    92,036.52x = 3,516,482,287.27
  5. Step 5: Solve for x
    x = 3,516,482,287.27/92,036.52
  6. Step 6: Final answer
    x = 38,207.47

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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.