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Finding the Fourth Proportional to 159,350.40, 239,025.60 and 133,689.60

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Solution

The fourth proportional to 159,350.40, 239,025.60 and 133,689.60 is: 200,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,350.40 : 239,025.60 = 133,689.60 : x
  2. Step 2: Convert to fraction form
    159,350.40/239,025.60 = 133,689.60/x
  3. Step 3: Cross multiply
    159,350.40x = 239,025.60 × 133,689.60
  4. Step 4: Simplify right side
    159,350.40x = 31,955,236,853.76
  5. Step 5: Solve for x
    x = 31,955,236,853.76/159,350.40
  6. Step 6: Final answer
    x = 200,534.40

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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.