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Finding the Fourth Proportional to 169,251.81, 253,877.23 and 42,891.69

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Solution

The fourth proportional to 169,251.81, 253,877.23 and 42,891.69 is: 64,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,251.81 : 253,877.23 = 42,891.69 : x
  2. Step 2: Convert to fraction form
    169,251.81/253,877.23 = 42,891.69/x
  3. Step 3: Cross multiply
    169,251.81x = 253,877.23 × 42,891.69
  4. Step 4: Simplify right side
    169,251.81x = 10,889,223,447.22
  5. Step 5: Solve for x
    x = 10,889,223,447.22/169,251.81
  6. Step 6: Final answer
    x = 64,337.41

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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.