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Finding the Fourth Proportional to 144,920.62, 200,007.12 and 96,519.88

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Solution

The fourth proportional to 144,920.62, 200,007.12 and 96,519.88 is: 133,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,920.62 : 200,007.12 = 96,519.88 : x
  2. Step 2: Convert to fraction form
    144,920.62/200,007.12 = 96,519.88/x
  3. Step 3: Cross multiply
    144,920.62x = 200,007.12 × 96,519.88
  4. Step 4: Simplify right side
    144,920.62x = 19,304,663,221.55
  5. Step 5: Solve for x
    x = 19,304,663,221.55/144,920.62
  6. Step 6: Final answer
    x = 133,208.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.