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Finding the Fourth Proportional to 172,722.92, 259,084.38 and 67,468.08

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Solution

The fourth proportional to 172,722.92, 259,084.38 and 67,468.08 is: 101,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,722.92 : 259,084.38 = 67,468.08 : x
  2. Step 2: Convert to fraction form
    172,722.92/259,084.38 = 67,468.08/x
  3. Step 3: Cross multiply
    172,722.92x = 259,084.38 × 67,468.08
  4. Step 4: Simplify right side
    172,722.92x = 17,479,925,443.81
  5. Step 5: Solve for x
    x = 17,479,925,443.81/172,722.92
  6. Step 6: Final answer
    x = 101,202.12

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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.