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Finding the Fourth Proportional to 132,000.80, 197,770.80 and 113,568.80

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Solution

The fourth proportional to 132,000.80, 197,770.80 and 113,568.80 is: 170,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.80 : 197,770.80 = 113,568.80 : x
  2. Step 2: Convert to fraction form
    132,000.80/197,770.80 = 113,568.80/x
  3. Step 3: Cross multiply
    132,000.80x = 197,770.80 × 113,568.80
  4. Step 4: Simplify right side
    132,000.80x = 22,460,592,431.04
  5. Step 5: Solve for x
    x = 22,460,592,431.04/132,000.80
  6. Step 6: Final answer
    x = 170,154.97

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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.