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Finding the Fourth Proportional to 135,902.70, 203,854.05 and 133,934.40

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Solution

The fourth proportional to 135,902.70, 203,854.05 and 133,934.40 is: 200,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,902.70 : 203,854.05 = 133,934.40 : x
  2. Step 2: Convert to fraction form
    135,902.70/203,854.05 = 133,934.40/x
  3. Step 3: Cross multiply
    135,902.70x = 203,854.05 × 133,934.40
  4. Step 4: Simplify right side
    135,902.70x = 27,303,069,874.32
  5. Step 5: Solve for x
    x = 27,303,069,874.32/135,902.70
  6. Step 6: Final answer
    x = 200,901.60

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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.