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Finding the Fourth Proportional to 86,553.44, 119,449.32 and 48,826.88

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Solution

The fourth proportional to 86,553.44, 119,449.32 and 48,826.88 is: 67,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,553.44 : 119,449.32 = 48,826.88 : x
  2. Step 2: Convert to fraction form
    86,553.44/119,449.32 = 48,826.88/x
  3. Step 3: Cross multiply
    86,553.44x = 119,449.32 × 48,826.88
  4. Step 4: Simplify right side
    86,553.44x = 5,832,337,613.72
  5. Step 5: Solve for x
    x = 5,832,337,613.72/86,553.44
  6. Step 6: Final answer
    x = 67,384.24

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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.