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Finding the Fourth Proportional to 159,496.20, 239,244.30 and 133,691.40

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Solution

The fourth proportional to 159,496.20, 239,244.30 and 133,691.40 is: 200,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.20 : 239,244.30 = 133,691.40 : x
  2. Step 2: Convert to fraction form
    159,496.20/239,244.30 = 133,691.40/x
  3. Step 3: Cross multiply
    159,496.20x = 239,244.30 × 133,691.40
  4. Step 4: Simplify right side
    159,496.20x = 31,984,905,409.02
  5. Step 5: Solve for x
    x = 31,984,905,409.02/159,496.20
  6. Step 6: Final answer
    x = 200,537.10

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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.