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Finding the Fourth Proportional to 172,996.62, 238,743.63 and 97,543.50

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Solution

The fourth proportional to 172,996.62, 238,743.63 and 97,543.50 is: 134,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,996.62 : 238,743.63 = 97,543.50 : x
  2. Step 2: Convert to fraction form
    172,996.62/238,743.63 = 97,543.50/x
  3. Step 3: Cross multiply
    172,996.62x = 238,743.63 × 97,543.50
  4. Step 4: Simplify right side
    172,996.62x = 23,287,889,272.91
  5. Step 5: Solve for x
    x = 23,287,889,272.91/172,996.62
  6. Step 6: Final answer
    x = 134,614.71

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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.