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Finding the Fourth Proportional to 172,672.53, 258,530.57 and 88,250.92

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Solution

The fourth proportional to 172,672.53, 258,530.57 and 88,250.92 is: 132,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,672.53 : 258,530.57 = 88,250.92 : x
  2. Step 2: Convert to fraction form
    172,672.53/258,530.57 = 88,250.92/x
  3. Step 3: Cross multiply
    172,672.53x = 258,530.57 × 88,250.92
  4. Step 4: Simplify right side
    172,672.53x = 22,815,559,707.83
  5. Step 5: Solve for x
    x = 22,815,559,707.83/172,672.53
  6. Step 6: Final answer
    x = 132,131.96

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1.5x scale

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.