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Finding the Fourth Proportional to 169,691.61, 254,644.64 and 94,860.90

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Solution

The fourth proportional to 169,691.61, 254,644.64 and 94,860.90 is: 142,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,691.61 : 254,644.64 = 94,860.90 : x
  2. Step 2: Convert to fraction form
    169,691.61/254,644.64 = 94,860.90/x
  3. Step 3: Cross multiply
    169,691.61x = 254,644.64 × 94,860.90
  4. Step 4: Simplify right side
    169,691.61x = 24,155,818,629.02
  5. Step 5: Solve for x
    x = 24,155,818,629.02/169,691.61
  6. Step 6: Final answer
    x = 142,351.29

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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.