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Finding the Fourth Proportional to 169,801.80, 254,702.70 and 91,069.80

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Solution

The fourth proportional to 169,801.80, 254,702.70 and 91,069.80 is: 136,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,801.80 : 254,702.70 = 91,069.80 : x
  2. Step 2: Convert to fraction form
    169,801.80/254,702.70 = 91,069.80/x
  3. Step 3: Cross multiply
    169,801.80x = 254,702.70 × 91,069.80
  4. Step 4: Simplify right side
    169,801.80x = 23,195,723,948.46
  5. Step 5: Solve for x
    x = 23,195,723,948.46/169,801.80
  6. Step 6: Final answer
    x = 136,604.70

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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.