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Finding the Fourth Proportional to 48,929.80, 73,248.90 and 29,198.20

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Solution

The fourth proportional to 48,929.80, 73,248.90 and 29,198.20 is: 43,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.80 : 73,248.90 = 29,198.20 : x
  2. Step 2: Convert to fraction form
    48,929.80/73,248.90 = 29,198.20/x
  3. Step 3: Cross multiply
    48,929.80x = 73,248.90 × 29,198.20
  4. Step 4: Simplify right side
    48,929.80x = 2,138,736,031.98
  5. Step 5: Solve for x
    x = 2,138,736,031.98/48,929.80
  6. Step 6: Final answer
    x = 43,710.30

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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.