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Finding the Fourth Proportional to 148,949.80, 223,403.10 and 43,757.80

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Solution

The fourth proportional to 148,949.80, 223,403.10 and 43,757.80 is: 65,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949.80 : 223,403.10 = 43,757.80 : x
  2. Step 2: Convert to fraction form
    148,949.80/223,403.10 = 43,757.80/x
  3. Step 3: Cross multiply
    148,949.80x = 223,403.10 × 43,757.80
  4. Step 4: Simplify right side
    148,949.80x = 9,775,628,169.18
  5. Step 5: Solve for x
    x = 9,775,628,169.18/148,949.80
  6. Step 6: Final answer
    x = 65,630.35

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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.