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Finding the Fourth Proportional to 172,597.68, 238,156.98 and 96,115.86

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Solution

The fourth proportional to 172,597.68, 238,156.98 and 96,115.86 is: 132,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,597.68 : 238,156.98 = 96,115.86 : x
  2. Step 2: Convert to fraction form
    172,597.68/238,156.98 = 96,115.86/x
  3. Step 3: Cross multiply
    172,597.68x = 238,156.98 × 96,115.86
  4. Step 4: Simplify right side
    172,597.68x = 22,890,662,947.70
  5. Step 5: Solve for x
    x = 22,890,662,947.70/172,597.68
  6. Step 6: Final answer
    x = 132,624.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.