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Finding the Fourth Proportional to 187,993.44, 281,992.32 and 47,752.20

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Solution

The fourth proportional to 187,993.44, 281,992.32 and 47,752.20 is: 71,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,993.44 : 281,992.32 = 47,752.20 : x
  2. Step 2: Convert to fraction form
    187,993.44/281,992.32 = 47,752.20/x
  3. Step 3: Cross multiply
    187,993.44x = 281,992.32 × 47,752.20
  4. Step 4: Simplify right side
    187,993.44x = 13,465,753,663.10
  5. Step 5: Solve for x
    x = 13,465,753,663.10/187,993.44
  6. Step 6: Final answer
    x = 71,628.85

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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.