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Finding the Fourth Proportional to 169,919.07, 254,862.13 and 51,591.44

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Solution

The fourth proportional to 169,919.07, 254,862.13 and 51,591.44 is: 77,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.07 : 254,862.13 = 51,591.44 : x
  2. Step 2: Convert to fraction form
    169,919.07/254,862.13 = 51,591.44/x
  3. Step 3: Cross multiply
    169,919.07x = 254,862.13 × 51,591.44
  4. Step 4: Simplify right side
    169,919.07x = 13,148,703,522.03
  5. Step 5: Solve for x
    x = 13,148,703,522.03/169,919.07
  6. Step 6: Final answer
    x = 77,382.15

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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.