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Finding the Fourth Proportional to 144,294.93, 199,126.69 and 80,632.73

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Solution

The fourth proportional to 144,294.93, 199,126.69 and 80,632.73 is: 111,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,294.93 : 199,126.69 = 80,632.73 : x
  2. Step 2: Convert to fraction form
    144,294.93/199,126.69 = 80,632.73/x
  3. Step 3: Cross multiply
    144,294.93x = 199,126.69 × 80,632.73
  4. Step 4: Simplify right side
    144,294.93x = 16,056,128,926.80
  5. Step 5: Solve for x
    x = 16,056,128,926.80/144,294.93
  6. Step 6: Final answer
    x = 111,272.99

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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.