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Finding the Fourth Proportional to 192,675.66, 266,146.62 and 147,906.90

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Solution

The fourth proportional to 192,675.66, 266,146.62 and 147,906.90 is: 204,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,675.66 : 266,146.62 = 147,906.90 : x
  2. Step 2: Convert to fraction form
    192,675.66/266,146.62 = 147,906.90/x
  3. Step 3: Cross multiply
    192,675.66x = 266,146.62 × 147,906.90
  4. Step 4: Simplify right side
    192,675.66x = 39,364,921,509.68
  5. Step 5: Solve for x
    x = 39,364,921,509.68/192,675.66
  6. Step 6: Final answer
    x = 204,306.66

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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.