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Finding the Fourth Proportional to 169,691.33, 234,121.34 and 98,045.21

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Solution

The fourth proportional to 169,691.33, 234,121.34 and 98,045.21 is: 135,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,691.33 : 234,121.34 = 98,045.21 : x
  2. Step 2: Convert to fraction form
    169,691.33/234,121.34 = 98,045.21/x
  3. Step 3: Cross multiply
    169,691.33x = 234,121.34 × 98,045.21
  4. Step 4: Simplify right side
    169,691.33x = 22,954,474,284.95
  5. Step 5: Solve for x
    x = 22,954,474,284.95/169,691.33
  6. Step 6: Final answer
    x = 135,271.94

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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.