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Finding the Fourth Proportional to 133,614.39, 200,434.76 and 38,845.40

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Solution

The fourth proportional to 133,614.39, 200,434.76 and 38,845.40 is: 58,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,614.39 : 200,434.76 = 38,845.40 : x
  2. Step 2: Convert to fraction form
    133,614.39/200,434.76 = 38,845.40/x
  3. Step 3: Cross multiply
    133,614.39x = 200,434.76 × 38,845.40
  4. Step 4: Simplify right side
    133,614.39x = 7,785,967,229.70
  5. Step 5: Solve for x
    x = 7,785,967,229.70/133,614.39
  6. Step 6: Final answer
    x = 58,271.92

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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.