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Finding the Fourth Proportional to 133,081.10, 199,621.65 and 133,081.10

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Solution

The fourth proportional to 133,081.10, 199,621.65 and 133,081.10 is: 199,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.10 : 199,621.65 = 133,081.10 : x
  2. Step 2: Convert to fraction form
    133,081.10/199,621.65 = 133,081.10/x
  3. Step 3: Cross multiply
    133,081.10x = 199,621.65 × 133,081.10
  4. Step 4: Simplify right side
    133,081.10x = 26,565,868,765.82
  5. Step 5: Solve for x
    x = 26,565,868,765.82/133,081.10
  6. Step 6: Final answer
    x = 199,621.65

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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.