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Finding the Fourth Proportional to 134,891.70, 202,337.55 and 132,923.40

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Solution

The fourth proportional to 134,891.70, 202,337.55 and 132,923.40 is: 199,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.70 : 202,337.55 = 132,923.40 : x
  2. Step 2: Convert to fraction form
    134,891.70/202,337.55 = 132,923.40/x
  3. Step 3: Cross multiply
    134,891.70x = 202,337.55 × 132,923.40
  4. Step 4: Simplify right side
    134,891.70x = 26,895,395,093.67
  5. Step 5: Solve for x
    x = 26,895,395,093.67/134,891.70
  6. Step 6: Final answer
    x = 199,385.10

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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.