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Finding the Fourth Proportional to 88,339.38, 132,439.38 and 43,941.90

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Solution

The fourth proportional to 88,339.38, 132,439.38 and 43,941.90 is: 65,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,339.38 : 132,439.38 = 43,941.90 : x
  2. Step 2: Convert to fraction form
    88,339.38/132,439.38 = 43,941.90/x
  3. Step 3: Cross multiply
    88,339.38x = 132,439.38 × 43,941.90
  4. Step 4: Simplify right side
    88,339.38x = 5,819,637,992.02
  5. Step 5: Solve for x
    x = 5,819,637,992.02/88,339.38
  6. Step 6: Final answer
    x = 65,878.18

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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.