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Finding the Fourth Proportional to 195,439.60, 293,742.60 and 169,778.80

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Solution

The fourth proportional to 195,439.60, 293,742.60 and 169,778.80 is: 255,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,439.60 : 293,742.60 = 169,778.80 : x
  2. Step 2: Convert to fraction form
    195,439.60/293,742.60 = 169,778.80/x
  3. Step 3: Cross multiply
    195,439.60x = 293,742.60 × 169,778.80
  4. Step 4: Simplify right side
    195,439.60x = 49,871,266,136.88
  5. Step 5: Solve for x
    x = 49,871,266,136.88/195,439.60
  6. Step 6: Final answer
    x = 255,174.83

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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.