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Finding the Fourth Proportional to 172,234.17, 258,301.04 and 67,028.13

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Solution

The fourth proportional to 172,234.17, 258,301.04 and 67,028.13 is: 100,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,234.17 : 258,301.04 = 67,028.13 : x
  2. Step 2: Convert to fraction form
    172,234.17/258,301.04 = 67,028.13/x
  3. Step 3: Cross multiply
    172,234.17x = 258,301.04 × 67,028.13
  4. Step 4: Simplify right side
    172,234.17x = 17,313,435,353.11
  5. Step 5: Solve for x
    x = 17,313,435,353.11/172,234.17
  6. Step 6: Final answer
    x = 100,522.65

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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.