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Finding the Fourth Proportional to 145,753.53, 218,464.44 and 88,701.57

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Solution

The fourth proportional to 145,753.53, 218,464.44 and 88,701.57 is: 132,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,753.53 : 218,464.44 = 88,701.57 : x
  2. Step 2: Convert to fraction form
    145,753.53/218,464.44 = 88,701.57/x
  3. Step 3: Cross multiply
    145,753.53x = 218,464.44 × 88,701.57
  4. Step 4: Simplify right side
    145,753.53x = 19,378,138,676.27
  5. Step 5: Solve for x
    x = 19,378,138,676.27/145,753.53
  6. Step 6: Final answer
    x = 132,951.42

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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.