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Finding the Fourth Proportional to 132,353.70, 198,530.55 and 73,158.90

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Solution

The fourth proportional to 132,353.70, 198,530.55 and 73,158.90 is: 109,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,353.70 : 198,530.55 = 73,158.90 : x
  2. Step 2: Convert to fraction form
    132,353.70/198,530.55 = 73,158.90/x
  3. Step 3: Cross multiply
    132,353.70x = 198,530.55 × 73,158.90
  4. Step 4: Simplify right side
    132,353.70x = 14,524,276,654.40
  5. Step 5: Solve for x
    x = 14,524,276,654.40/132,353.70
  6. Step 6: Final answer
    x = 109,738.35

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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.