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Finding the Fourth Proportional to 88,329.71, 132,498.66 and 28,360.64

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Solution

The fourth proportional to 88,329.71, 132,498.66 and 28,360.64 is: 42,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,329.71 : 132,498.66 = 28,360.64 : x
  2. Step 2: Convert to fraction form
    88,329.71/132,498.66 = 28,360.64/x
  3. Step 3: Cross multiply
    88,329.71x = 132,498.66 × 28,360.64
  4. Step 4: Simplify right side
    88,329.71x = 3,757,746,134.25
  5. Step 5: Solve for x
    x = 3,757,746,134.25/88,329.71
  6. Step 6: Final answer
    x = 42,542.27

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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.