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Finding the Fourth Proportional to 250,597.52, 345,772.16 and 159,895.68

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Solution

The fourth proportional to 250,597.52, 345,772.16 and 159,895.68 is: 220,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,597.52 : 345,772.16 = 159,895.68 : x
  2. Step 2: Convert to fraction form
    250,597.52/345,772.16 = 159,895.68/x
  3. Step 3: Cross multiply
    250,597.52x = 345,772.16 × 159,895.68
  4. Step 4: Simplify right side
    250,597.52x = 55,287,474,648.27
  5. Step 5: Solve for x
    x = 55,287,474,648.27/250,597.52
  6. Step 6: Final answer
    x = 220,622.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.