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Finding the Fourth Proportional to 239,080.52, 358,676.94 and 133,972.04

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Solution

The fourth proportional to 239,080.52, 358,676.94 and 133,972.04 is: 200,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,080.52 : 358,676.94 = 133,972.04 : x
  2. Step 2: Convert to fraction form
    239,080.52/358,676.94 = 133,972.04/x
  3. Step 3: Cross multiply
    239,080.52x = 358,676.94 × 133,972.04
  4. Step 4: Simplify right side
    239,080.52x = 48,052,681,352.76
  5. Step 5: Solve for x
    x = 48,052,681,352.76/239,080.52
  6. Step 6: Final answer
    x = 200,989.53

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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.