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Finding the Fourth Proportional to 172,949.38, 238,670.08 and 97,497.88

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Solution

The fourth proportional to 172,949.38, 238,670.08 and 97,497.88 is: 134,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,949.38 : 238,670.08 = 97,497.88 : x
  2. Step 2: Convert to fraction form
    172,949.38/238,670.08 = 97,497.88/x
  3. Step 3: Cross multiply
    172,949.38x = 238,670.08 × 97,497.88
  4. Step 4: Simplify right side
    172,949.38x = 23,269,825,979.01
  5. Step 5: Solve for x
    x = 23,269,825,979.01/172,949.38
  6. Step 6: Final answer
    x = 134,547.04

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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.