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Finding the Fourth Proportional to 176,692.47, 243,833.09 and 96,120.69

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Solution

The fourth proportional to 176,692.47, 243,833.09 and 96,120.69 is: 132,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,692.47 : 243,833.09 = 96,120.69 : x
  2. Step 2: Convert to fraction form
    176,692.47/243,833.09 = 96,120.69/x
  3. Step 3: Cross multiply
    176,692.47x = 243,833.09 × 96,120.69
  4. Step 4: Simplify right side
    176,692.47x = 23,437,404,375.03
  5. Step 5: Solve for x
    x = 23,437,404,375.03/176,692.47
  6. Step 6: Final answer
    x = 132,645.18

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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.