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Finding the Fourth Proportional to 154,488.15, 231,732.23 and 154,488.15

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Solution

The fourth proportional to 154,488.15, 231,732.23 and 154,488.15 is: 231,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.15 : 231,732.23 = 154,488.15 : x
  2. Step 2: Convert to fraction form
    154,488.15/231,732.23 = 154,488.15/x
  3. Step 3: Cross multiply
    154,488.15x = 231,732.23 × 154,488.15
  4. Step 4: Simplify right side
    154,488.15x = 35,799,882,735.63
  5. Step 5: Solve for x
    x = 35,799,882,735.63/154,488.15
  6. Step 6: Final answer
    x = 231,732.23

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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.