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Finding the Fourth Proportional to 148,808.80, 223,191.60 and 43,616.80

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Solution

The fourth proportional to 148,808.80, 223,191.60 and 43,616.80 is: 65,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,808.80 : 223,191.60 = 43,616.80 : x
  2. Step 2: Convert to fraction form
    148,808.80/223,191.60 = 43,616.80/x
  3. Step 3: Cross multiply
    148,808.80x = 223,191.60 × 43,616.80
  4. Step 4: Simplify right side
    148,808.80x = 9,734,903,378.88
  5. Step 5: Solve for x
    x = 9,734,903,378.88/148,808.80
  6. Step 6: Final answer
    x = 65,418.87

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1.5x scale

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.