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Finding the Fourth Proportional to 172,480.68, 238,020.90 and 97,029

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Solution

The fourth proportional to 172,480.68, 238,020.90 and 97,029 is: 133,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.68 : 238,020.90 = 97,029 : x
  2. Step 2: Convert to fraction form
    172,480.68/238,020.90 = 97,029/x
  3. Step 3: Cross multiply
    172,480.68x = 238,020.90 × 97,029
  4. Step 4: Simplify right side
    172,480.68x = 23,094,929,906.10
  5. Step 5: Solve for x
    x = 23,094,929,906.10/172,480.68
  6. Step 6: Final answer
    x = 133,898.65

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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.