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Finding the Fourth Proportional to 169,584.85, 254,382.68 and 85,298.97

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Solution

The fourth proportional to 169,584.85, 254,382.68 and 85,298.97 is: 127,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,584.85 : 254,382.68 = 85,298.97 : x
  2. Step 2: Convert to fraction form
    169,584.85/254,382.68 = 85,298.97/x
  3. Step 3: Cross multiply
    169,584.85x = 254,382.68 × 85,298.97
  4. Step 4: Simplify right side
    169,584.85x = 21,698,580,803.09
  5. Step 5: Solve for x
    x = 21,698,580,803.09/169,584.85
  6. Step 6: Final answer
    x = 127,951.18

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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.