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Finding the Fourth Proportional to 172,893.10, 259,534.05 and 133,624.30

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Solution

The fourth proportional to 172,893.10, 259,534.05 and 133,624.30 is: 200,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,893.10 : 259,534.05 = 133,624.30 : x
  2. Step 2: Convert to fraction form
    172,893.10/259,534.05 = 133,624.30/x
  3. Step 3: Cross multiply
    172,893.10x = 259,534.05 × 133,624.30
  4. Step 4: Simplify right side
    172,893.10x = 34,680,055,757.42
  5. Step 5: Solve for x
    x = 34,680,055,757.42/172,893.10
  6. Step 6: Final answer
    x = 200,586.70

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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.