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Finding the Fourth Proportional to 86,665.56, 119,598.48 and 48,942.24

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Solution

The fourth proportional to 86,665.56, 119,598.48 and 48,942.24 is: 67,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665.56 : 119,598.48 = 48,942.24 : x
  2. Step 2: Convert to fraction form
    86,665.56/119,598.48 = 48,942.24/x
  3. Step 3: Cross multiply
    86,665.56x = 119,598.48 × 48,942.24
  4. Step 4: Simplify right side
    86,665.56x = 5,853,417,511.80
  5. Step 5: Solve for x
    x = 5,853,417,511.80/86,665.56
  6. Step 6: Final answer
    x = 67,540.30

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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.