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Finding the Fourth Proportional to 88,153.44, 132,244.74 and 43,781.64

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Solution

The fourth proportional to 88,153.44, 132,244.74 and 43,781.64 is: 65,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,153.44 : 132,244.74 = 43,781.64 : x
  2. Step 2: Convert to fraction form
    88,153.44/132,244.74 = 43,781.64/x
  3. Step 3: Cross multiply
    88,153.44x = 132,244.74 × 43,781.64
  4. Step 4: Simplify right side
    88,153.44x = 5,789,891,598.57
  5. Step 5: Solve for x
    x = 5,789,891,598.57/88,153.44
  6. Step 6: Final answer
    x = 65,679.70

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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.