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Finding the Fourth Proportional to 169,523.40, 254,367.72 and 69,713.52

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Solution

The fourth proportional to 169,523.40, 254,367.72 and 69,713.52 is: 104,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,523.40 : 254,367.72 = 69,713.52 : x
  2. Step 2: Convert to fraction form
    169,523.40/254,367.72 = 69,713.52/x
  3. Step 3: Cross multiply
    169,523.40x = 254,367.72 × 69,713.52
  4. Step 4: Simplify right side
    169,523.40x = 17,732,869,135.57
  5. Step 5: Solve for x
    x = 17,732,869,135.57/169,523.40
  6. Step 6: Final answer
    x = 104,604.26

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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.