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Finding the Fourth Proportional to 154,488.94, 230,575.11 and 144,399.85

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Solution

The fourth proportional to 154,488.94, 230,575.11 and 144,399.85 is: 215,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.94 : 230,575.11 = 144,399.85 : x
  2. Step 2: Convert to fraction form
    154,488.94/230,575.11 = 144,399.85/x
  3. Step 3: Cross multiply
    154,488.94x = 230,575.11 × 144,399.85
  4. Step 4: Simplify right side
    154,488.94x = 33,295,010,179.80
  5. Step 5: Solve for x
    x = 33,295,010,179.80/154,488.94
  6. Step 6: Final answer
    x = 215,517.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.