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Finding the Fourth Proportional to 195,591.20, 293,386.80 and 47,847.20

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Solution

The fourth proportional to 195,591.20, 293,386.80 and 47,847.20 is: 71,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,591.20 : 293,386.80 = 47,847.20 : x
  2. Step 2: Convert to fraction form
    195,591.20/293,386.80 = 47,847.20/x
  3. Step 3: Cross multiply
    195,591.20x = 293,386.80 × 47,847.20
  4. Step 4: Simplify right side
    195,591.20x = 14,037,736,896.96
  5. Step 5: Solve for x
    x = 14,037,736,896.96/195,591.20
  6. Step 6: Final answer
    x = 71,770.80

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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.