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Finding the Fourth Proportional to 88,519.97, 132,819.20 and 46,390.03

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Solution

The fourth proportional to 88,519.97, 132,819.20 and 46,390.03 is: 69,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,519.97 : 132,819.20 = 46,390.03 : x
  2. Step 2: Convert to fraction form
    88,519.97/132,819.20 = 46,390.03/x
  3. Step 3: Cross multiply
    88,519.97x = 132,819.20 × 46,390.03
  4. Step 4: Simplify right side
    88,519.97x = 6,161,486,672.58
  5. Step 5: Solve for x
    x = 6,161,486,672.58/88,519.97
  6. Step 6: Final answer
    x = 69,605.61

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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.