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Finding the Fourth Proportional to 48,944.80, 73,417.20 and 48,167.20

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Solution

The fourth proportional to 48,944.80, 73,417.20 and 48,167.20 is: 72,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,944.80 : 73,417.20 = 48,167.20 : x
  2. Step 2: Convert to fraction form
    48,944.80/73,417.20 = 48,167.20/x
  3. Step 3: Cross multiply
    48,944.80x = 73,417.20 × 48,167.20
  4. Step 4: Simplify right side
    48,944.80x = 3,536,300,955.84
  5. Step 5: Solve for x
    x = 3,536,300,955.84/48,944.80
  6. Step 6: Final answer
    x = 72,250.80

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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.