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Finding the Fourth Proportional to 167,986.60, 252,077.10 and 62,816.20

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Solution

The fourth proportional to 167,986.60, 252,077.10 and 62,816.20 is: 94,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,986.60 : 252,077.10 = 62,816.20 : x
  2. Step 2: Convert to fraction form
    167,986.60/252,077.10 = 62,816.20/x
  3. Step 3: Cross multiply
    167,986.60x = 252,077.10 × 62,816.20
  4. Step 4: Simplify right side
    167,986.60x = 15,834,525,529.02
  5. Step 5: Solve for x
    x = 15,834,525,529.02/167,986.60
  6. Step 6: Final answer
    x = 94,260.65

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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.