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Finding the Fourth Proportional to 88,371.32, 132,460.57 and 43,423.61

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Solution

The fourth proportional to 88,371.32, 132,460.57 and 43,423.61 is: 65,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,371.32 : 132,460.57 = 43,423.61 : x
  2. Step 2: Convert to fraction form
    88,371.32/132,460.57 = 43,423.61/x
  3. Step 3: Cross multiply
    88,371.32x = 132,460.57 × 43,423.61
  4. Step 4: Simplify right side
    88,371.32x = 5,751,916,132.06
  5. Step 5: Solve for x
    x = 5,751,916,132.06/88,371.32
  6. Step 6: Final answer
    x = 65,088.04

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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.