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Finding the Fourth Proportional to 136,544.40, 204,624.60 and 108,512.40

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Solution

The fourth proportional to 136,544.40, 204,624.60 and 108,512.40 is: 162,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,544.40 : 204,624.60 = 108,512.40 : x
  2. Step 2: Convert to fraction form
    136,544.40/204,624.60 = 108,512.40/x
  3. Step 3: Cross multiply
    136,544.40x = 204,624.60 × 108,512.40
  4. Step 4: Simplify right side
    136,544.40x = 22,204,306,445.04
  5. Step 5: Solve for x
    x = 22,204,306,445.04/136,544.40
  6. Step 6: Final answer
    x = 162,616.02

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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.