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Finding the Fourth Proportional to 149,327.70, 223,991.55 and 137,922.90

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Solution

The fourth proportional to 149,327.70, 223,991.55 and 137,922.90 is: 206,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,327.70 : 223,991.55 = 137,922.90 : x
  2. Step 2: Convert to fraction form
    149,327.70/223,991.55 = 137,922.90/x
  3. Step 3: Cross multiply
    149,327.70x = 223,991.55 × 137,922.90
  4. Step 4: Simplify right side
    149,327.70x = 30,893,564,151.50
  5. Step 5: Solve for x
    x = 30,893,564,151.50/149,327.70
  6. Step 6: Final answer
    x = 206,884.35

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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.