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Finding the Fourth Proportional to 169,429.42, 254,062.28 and 98,369.92

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Solution

The fourth proportional to 169,429.42, 254,062.28 and 98,369.92 is: 147,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,429.42 : 254,062.28 = 98,369.92 : x
  2. Step 2: Convert to fraction form
    169,429.42/254,062.28 = 98,369.92/x
  3. Step 3: Cross multiply
    169,429.42x = 254,062.28 × 98,369.92
  4. Step 4: Simplify right side
    169,429.42x = 24,992,086,158.62
  5. Step 5: Solve for x
    x = 24,992,086,158.62/169,429.42
  6. Step 6: Final answer
    x = 147,507.36

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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.