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Finding the Fourth Proportional to 155,532.96, 232,925.72 and 88,770.69

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Solution

The fourth proportional to 155,532.96, 232,925.72 and 88,770.69 is: 132,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,532.96 : 232,925.72 = 88,770.69 : x
  2. Step 2: Convert to fraction form
    155,532.96/232,925.72 = 88,770.69/x
  3. Step 3: Cross multiply
    155,532.96x = 232,925.72 × 88,770.69
  4. Step 4: Simplify right side
    155,532.96x = 20,676,976,439.29
  5. Step 5: Solve for x
    x = 20,676,976,439.29/155,532.96
  6. Step 6: Final answer
    x = 132,942.73

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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.