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Finding the Fourth Proportional to 169,326.28, 254,031.65 and 119,503.70

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Solution

The fourth proportional to 169,326.28, 254,031.65 and 119,503.70 is: 179,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,326.28 : 254,031.65 = 119,503.70 : x
  2. Step 2: Convert to fraction form
    169,326.28/254,031.65 = 119,503.70/x
  3. Step 3: Cross multiply
    169,326.28x = 254,031.65 × 119,503.70
  4. Step 4: Simplify right side
    169,326.28x = 30,357,722,092.11
  5. Step 5: Solve for x
    x = 30,357,722,092.11/169,326.28
  6. Step 6: Final answer
    x = 179,285.35

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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.