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Finding the Fourth Proportional to 167,961.60, 252,039.60 and 62,791.20

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Solution

The fourth proportional to 167,961.60, 252,039.60 and 62,791.20 is: 94,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,961.60 : 252,039.60 = 62,791.20 : x
  2. Step 2: Convert to fraction form
    167,961.60/252,039.60 = 62,791.20/x
  3. Step 3: Cross multiply
    167,961.60x = 252,039.60 × 62,791.20
  4. Step 4: Simplify right side
    167,961.60x = 15,825,868,931.52
  5. Step 5: Solve for x
    x = 15,825,868,931.52/167,961.60
  6. Step 6: Final answer
    x = 94,223.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.