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Finding the Fourth Proportional to 89,339.60, 134,008.56 and 27,010.08

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Solution

The fourth proportional to 89,339.60, 134,008.56 and 27,010.08 is: 40,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.60 : 134,008.56 = 27,010.08 : x
  2. Step 2: Convert to fraction form
    89,339.60/134,008.56 = 27,010.08/x
  3. Step 3: Cross multiply
    89,339.60x = 134,008.56 × 27,010.08
  4. Step 4: Simplify right side
    89,339.60x = 3,619,581,926.28
  5. Step 5: Solve for x
    x = 3,619,581,926.28/89,339.60
  6. Step 6: Final answer
    x = 40,514.87

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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.