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Finding the Fourth Proportional to 172,988.52, 238,724.20 and 97,537.04

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Solution

The fourth proportional to 172,988.52, 238,724.20 and 97,537.04 is: 134,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,988.52 : 238,724.20 = 97,537.04 : x
  2. Step 2: Convert to fraction form
    172,988.52/238,724.20 = 97,537.04/x
  3. Step 3: Cross multiply
    172,988.52x = 238,724.20 × 97,537.04
  4. Step 4: Simplify right side
    172,988.52x = 23,284,451,844.37
  5. Step 5: Solve for x
    x = 23,284,451,844.37/172,988.52
  6. Step 6: Final answer
    x = 134,601.14

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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.