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Finding the Fourth Proportional to 48,167.80, 72,251.70 and 43,502.20

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Solution

The fourth proportional to 48,167.80, 72,251.70 and 43,502.20 is: 65,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,167.80 : 72,251.70 = 43,502.20 : x
  2. Step 2: Convert to fraction form
    48,167.80/72,251.70 = 43,502.20/x
  3. Step 3: Cross multiply
    48,167.80x = 72,251.70 × 43,502.20
  4. Step 4: Simplify right side
    48,167.80x = 3,143,107,903.74
  5. Step 5: Solve for x
    x = 3,143,107,903.74/48,167.80
  6. Step 6: Final answer
    x = 65,253.30

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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.