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Finding the Fourth Proportional to 160,064.52, 220,251.60 and 155,194.80

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Solution

The fourth proportional to 160,064.52, 220,251.60 and 155,194.80 is: 213,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,064.52 : 220,251.60 = 155,194.80 : x
  2. Step 2: Convert to fraction form
    160,064.52/220,251.60 = 155,194.80/x
  3. Step 3: Cross multiply
    160,064.52x = 220,251.60 × 155,194.80
  4. Step 4: Simplify right side
    160,064.52x = 34,181,903,011.68
  5. Step 5: Solve for x
    x = 34,181,903,011.68/160,064.52
  6. Step 6: Final answer
    x = 213,550.78

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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.