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Finding the Fourth Proportional to 192,920.46, 266,348.46 and 152,796.30

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Solution

The fourth proportional to 192,920.46, 266,348.46 and 152,796.30 is: 210,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.46 : 266,348.46 = 152,796.30 : x
  2. Step 2: Convert to fraction form
    192,920.46/266,348.46 = 152,796.30/x
  3. Step 3: Cross multiply
    192,920.46x = 266,348.46 × 152,796.30
  4. Step 4: Simplify right side
    192,920.46x = 40,697,059,198.70
  5. Step 5: Solve for x
    x = 40,697,059,198.70/192,920.46
  6. Step 6: Final answer
    x = 210,952.53

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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.