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Finding the Fourth Proportional to 88,090.44, 132,092.61 and 61,449.20

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Solution

The fourth proportional to 88,090.44, 132,092.61 and 61,449.20 is: 92,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090.44 : 132,092.61 = 61,449.20 : x
  2. Step 2: Convert to fraction form
    88,090.44/132,092.61 = 61,449.20/x
  3. Step 3: Cross multiply
    88,090.44x = 132,092.61 × 61,449.20
  4. Step 4: Simplify right side
    88,090.44x = 8,116,984,814.86
  5. Step 5: Solve for x
    x = 8,116,984,814.86/88,090.44
  6. Step 6: Final answer
    x = 92,143.76

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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.