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Finding the Fourth Proportional to 88,112.43, 132,182.42 and 28,934.64

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Solution

The fourth proportional to 88,112.43, 132,182.42 and 28,934.64 is: 43,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.43 : 132,182.42 = 28,934.64 : x
  2. Step 2: Convert to fraction form
    88,112.43/132,182.42 = 28,934.64/x
  3. Step 3: Cross multiply
    88,112.43x = 132,182.42 × 28,934.64
  4. Step 4: Simplify right side
    88,112.43x = 3,824,650,592.36
  5. Step 5: Solve for x
    x = 3,824,650,592.36/88,112.43
  6. Step 6: Final answer
    x = 43,406.48

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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.