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Finding the Fourth Proportional to 169,891.52, 254,497.02 and 102,385.95

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Solution

The fourth proportional to 169,891.52, 254,497.02 and 102,385.95 is: 153,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,891.52 : 254,497.02 = 102,385.95 : x
  2. Step 2: Convert to fraction form
    169,891.52/254,497.02 = 102,385.95/x
  3. Step 3: Cross multiply
    169,891.52x = 254,497.02 × 102,385.95
  4. Step 4: Simplify right side
    169,891.52x = 26,056,919,164.87
  5. Step 5: Solve for x
    x = 26,056,919,164.87/169,891.52
  6. Step 6: Final answer
    x = 153,373.87

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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.