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Finding the Fourth Proportional to 192,866.88, 288,801.84 and 133,079.76

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Solution

The fourth proportional to 192,866.88, 288,801.84 and 133,079.76 is: 199,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,866.88 : 288,801.84 = 133,079.76 : x
  2. Step 2: Convert to fraction form
    192,866.88/288,801.84 = 133,079.76/x
  3. Step 3: Cross multiply
    192,866.88x = 288,801.84 × 133,079.76
  4. Step 4: Simplify right side
    192,866.88x = 38,433,679,554.76
  5. Step 5: Solve for x
    x = 38,433,679,554.76/192,866.88
  6. Step 6: Final answer
    x = 199,275.68

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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.