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Finding the Fourth Proportional to 169,398.33, 253,966.27 and 98,211.48

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Solution

The fourth proportional to 169,398.33, 253,966.27 and 98,211.48 is: 147,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,398.33 : 253,966.27 = 98,211.48 : x
  2. Step 2: Convert to fraction form
    169,398.33/253,966.27 = 98,211.48/x
  3. Step 3: Cross multiply
    169,398.33x = 253,966.27 × 98,211.48
  4. Step 4: Simplify right side
    169,398.33x = 24,942,403,246.78
  5. Step 5: Solve for x
    x = 24,942,403,246.78/169,398.33
  6. Step 6: Final answer
    x = 147,241.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.