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Finding the Fourth Proportional to 133,066.90, 199,600.35 and 130,879.90

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Solution

The fourth proportional to 133,066.90, 199,600.35 and 130,879.90 is: 196,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.90 : 199,600.35 = 130,879.90 : x
  2. Step 2: Convert to fraction form
    133,066.90/199,600.35 = 130,879.90/x
  3. Step 3: Cross multiply
    133,066.90x = 199,600.35 × 130,879.90
  4. Step 4: Simplify right side
    133,066.90x = 26,123,673,847.97
  5. Step 5: Solve for x
    x = 26,123,673,847.97/133,066.90
  6. Step 6: Final answer
    x = 196,319.85

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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.