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Finding the Fourth Proportional to 149,657.80, 224,745.90 and 144,992.20

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Solution

The fourth proportional to 149,657.80, 224,745.90 and 144,992.20 is: 217,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,657.80 : 224,745.90 = 144,992.20 : x
  2. Step 2: Convert to fraction form
    149,657.80/224,745.90 = 144,992.20/x
  3. Step 3: Cross multiply
    149,657.80x = 224,745.90 × 144,992.20
  4. Step 4: Simplify right side
    149,657.80x = 32,586,402,481.98
  5. Step 5: Solve for x
    x = 32,586,402,481.98/149,657.80
  6. Step 6: Final answer
    x = 217,739.42

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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.