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Finding the Fourth Proportional to 169,454.47, 233,829.78 and 101,469.79

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Solution

The fourth proportional to 169,454.47, 233,829.78 and 101,469.79 is: 140,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,454.47 : 233,829.78 = 101,469.79 : x
  2. Step 2: Convert to fraction form
    169,454.47/233,829.78 = 101,469.79/x
  3. Step 3: Cross multiply
    169,454.47x = 233,829.78 × 101,469.79
  4. Step 4: Simplify right side
    169,454.47x = 23,726,658,672.35
  5. Step 5: Solve for x
    x = 23,726,658,672.35/169,454.47
  6. Step 6: Final answer
    x = 140,017.90

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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.