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Finding the Fourth Proportional to 168,231.48, 252,273.40 and 62,976.64

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Solution

The fourth proportional to 168,231.48, 252,273.40 and 62,976.64 is: 94,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,231.48 : 252,273.40 = 62,976.64 : x
  2. Step 2: Convert to fraction form
    168,231.48/252,273.40 = 62,976.64/x
  3. Step 3: Cross multiply
    168,231.48x = 252,273.40 × 62,976.64
  4. Step 4: Simplify right side
    168,231.48x = 15,887,329,517.13
  5. Step 5: Solve for x
    x = 15,887,329,517.13/168,231.48
  6. Step 6: Final answer
    x = 94,437.32

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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.