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Finding the Fourth Proportional to 136,000.80, 204,001.20 and 36,176.40

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Solution

The fourth proportional to 136,000.80, 204,001.20 and 36,176.40 is: 54,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000.80 : 204,001.20 = 36,176.40 : x
  2. Step 2: Convert to fraction form
    136,000.80/204,001.20 = 36,176.40/x
  3. Step 3: Cross multiply
    136,000.80x = 204,001.20 × 36,176.40
  4. Step 4: Simplify right side
    136,000.80x = 7,380,029,011.68
  5. Step 5: Solve for x
    x = 7,380,029,011.68/136,000.80
  6. Step 6: Final answer
    x = 54,264.60

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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.