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Finding the Fourth Proportional to 176,351.82, 243,367.29 and 95,780.91

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Solution

The fourth proportional to 176,351.82, 243,367.29 and 95,780.91 is: 132,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,351.82 : 243,367.29 = 95,780.91 : x
  2. Step 2: Convert to fraction form
    176,351.82/243,367.29 = 95,780.91/x
  3. Step 3: Cross multiply
    176,351.82x = 243,367.29 × 95,780.91
  4. Step 4: Simplify right side
    176,351.82x = 23,309,941,413.06
  5. Step 5: Solve for x
    x = 23,309,941,413.06/176,351.82
  6. Step 6: Final answer
    x = 132,178.63

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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.