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Finding the Fourth Proportional to 88,377.59, 132,566.38 and 72,762.41

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Solution

The fourth proportional to 88,377.59, 132,566.38 and 72,762.41 is: 109,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377.59 : 132,566.38 = 72,762.41 : x
  2. Step 2: Convert to fraction form
    88,377.59/132,566.38 = 72,762.41/x
  3. Step 3: Cross multiply
    88,377.59x = 132,566.38 × 72,762.41
  4. Step 4: Simplify right side
    88,377.59x = 9,645,848,630.94
  5. Step 5: Solve for x
    x = 9,645,848,630.94/88,377.59
  6. Step 6: Final answer
    x = 109,143.61

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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.