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Finding the Fourth Proportional to 167,265.57, 230,721.49 and 99,234.39

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Solution

The fourth proportional to 167,265.57, 230,721.49 and 99,234.39 is: 136,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,265.57 : 230,721.49 = 99,234.39 : x
  2. Step 2: Convert to fraction form
    167,265.57/230,721.49 = 99,234.39/x
  3. Step 3: Cross multiply
    167,265.57x = 230,721.49 × 99,234.39
  4. Step 4: Simplify right side
    167,265.57x = 22,895,506,320.04
  5. Step 5: Solve for x
    x = 22,895,506,320.04/167,265.57
  6. Step 6: Final answer
    x = 136,881.17

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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.