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Finding the Fourth Proportional to 192,470.97, 288,687.88 and 59,315.48

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Solution

The fourth proportional to 192,470.97, 288,687.88 and 59,315.48 is: 88,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,470.97 : 288,687.88 = 59,315.48 : x
  2. Step 2: Convert to fraction form
    192,470.97/288,687.88 = 59,315.48/x
  3. Step 3: Cross multiply
    192,470.97x = 288,687.88 × 59,315.48
  4. Step 4: Simplify right side
    192,470.97x = 17,123,660,172.38
  5. Step 5: Solve for x
    x = 17,123,660,172.38/192,470.97
  6. Step 6: Final answer
    x = 88,967.50

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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.