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Finding the Fourth Proportional to 192,963.98, 289,437.06 and 52,722.20

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Solution

The fourth proportional to 192,963.98, 289,437.06 and 52,722.20 is: 79,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,963.98 : 289,437.06 = 52,722.20 : x
  2. Step 2: Convert to fraction form
    192,963.98/289,437.06 = 52,722.20/x
  3. Step 3: Cross multiply
    192,963.98x = 289,437.06 × 52,722.20
  4. Step 4: Simplify right side
    192,963.98x = 15,259,758,564.73
  5. Step 5: Solve for x
    x = 15,259,758,564.73/192,963.98
  6. Step 6: Final answer
    x = 79,080.87

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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.