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Finding the Fourth Proportional to 136,469.40, 204,833.70 and 116,770.20

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Solution

The fourth proportional to 136,469.40, 204,833.70 and 116,770.20 is: 175,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,469.40 : 204,833.70 = 116,770.20 : x
  2. Step 2: Convert to fraction form
    136,469.40/204,833.70 = 116,770.20/x
  3. Step 3: Cross multiply
    136,469.40x = 204,833.70 × 116,770.20
  4. Step 4: Simplify right side
    136,469.40x = 23,918,472,115.74
  5. Step 5: Solve for x
    x = 23,918,472,115.74/136,469.40
  6. Step 6: Final answer
    x = 175,266.19

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1.5x scale

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.