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Finding the Fourth Proportional to 144,777.56, 217,193.65 and 54,847.17

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Solution

The fourth proportional to 144,777.56, 217,193.65 and 54,847.17 is: 82,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,777.56 : 217,193.65 = 54,847.17 : x
  2. Step 2: Convert to fraction form
    144,777.56/217,193.65 = 54,847.17/x
  3. Step 3: Cross multiply
    144,777.56x = 217,193.65 × 54,847.17
  4. Step 4: Simplify right side
    144,777.56x = 11,912,456,907.35
  5. Step 5: Solve for x
    x = 11,912,456,907.35/144,777.56
  6. Step 6: Final answer
    x = 82,281.10

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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.