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Finding the Fourth Proportional to 83,198.88, 114,814.44 and 45,473.12

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Solution

The fourth proportional to 83,198.88, 114,814.44 and 45,473.12 is: 62,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,198.88 : 114,814.44 = 45,473.12 : x
  2. Step 2: Convert to fraction form
    83,198.88/114,814.44 = 45,473.12/x
  3. Step 3: Cross multiply
    83,198.88x = 114,814.44 × 45,473.12
  4. Step 4: Simplify right side
    83,198.88x = 5,220,970,807.85
  5. Step 5: Solve for x
    x = 5,220,970,807.85/83,198.88
  6. Step 6: Final answer
    x = 62,752.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.