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Finding the Fourth Proportional to 207,566.20, 310,693.20 and 148,517.20

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Solution

The fourth proportional to 207,566.20, 310,693.20 and 148,517.20 is: 222,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,566.20 : 310,693.20 = 148,517.20 : x
  2. Step 2: Convert to fraction form
    207,566.20/310,693.20 = 148,517.20/x
  3. Step 3: Cross multiply
    207,566.20x = 310,693.20 × 148,517.20
  4. Step 4: Simplify right side
    207,566.20x = 46,143,284,123.04
  5. Step 5: Solve for x
    x = 46,143,284,123.04/207,566.20
  6. Step 6: Final answer
    x = 222,306.35

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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.