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Finding the Fourth Proportional to 149,015.80, 223,502.10 and 43,823.80

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Solution

The fourth proportional to 149,015.80, 223,502.10 and 43,823.80 is: 65,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015.80 : 223,502.10 = 43,823.80 : x
  2. Step 2: Convert to fraction form
    149,015.80/223,502.10 = 43,823.80/x
  3. Step 3: Cross multiply
    149,015.80x = 223,502.10 × 43,823.80
  4. Step 4: Simplify right side
    149,015.80x = 9,794,711,329.98
  5. Step 5: Solve for x
    x = 9,794,711,329.98/149,015.80
  6. Step 6: Final answer
    x = 65,729.35

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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.