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Finding the Fourth Proportional to 146,257.19, 219,385.79 and 35,449.19

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Solution

The fourth proportional to 146,257.19, 219,385.79 and 35,449.19 is: 53,173.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,257.19 : 219,385.79 = 35,449.19 : x
  2. Step 2: Convert to fraction form
    146,257.19/219,385.79 = 35,449.19/x
  3. Step 3: Cross multiply
    146,257.19x = 219,385.79 × 35,449.19
  4. Step 4: Simplify right side
    146,257.19x = 7,777,048,553.01
  5. Step 5: Solve for x
    x = 7,777,048,553.01/146,257.19
  6. Step 6: Final answer
    x = 53,173.79

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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.