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Finding the Fourth Proportional to 169,870.64, 254,564.24 and 125,145.68

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Solution

The fourth proportional to 169,870.64, 254,564.24 and 125,145.68 is: 187,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,870.64 : 254,564.24 = 125,145.68 : x
  2. Step 2: Convert to fraction form
    169,870.64/254,564.24 = 125,145.68/x
  3. Step 3: Cross multiply
    169,870.64x = 254,564.24 × 125,145.68
  4. Step 4: Simplify right side
    169,870.64x = 31,857,614,918.48
  5. Step 5: Solve for x
    x = 31,857,614,918.48/169,870.64
  6. Step 6: Final answer
    x = 187,540.44

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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.