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Finding the Fourth Proportional to 86,471.16, 119,326.01 and 48,234.71

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Solution

The fourth proportional to 86,471.16, 119,326.01 and 48,234.71 is: 66,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.16 : 119,326.01 = 48,234.71 : x
  2. Step 2: Convert to fraction form
    86,471.16/119,326.01 = 48,234.71/x
  3. Step 3: Cross multiply
    86,471.16x = 119,326.01 × 48,234.71
  4. Step 4: Simplify right side
    86,471.16x = 5,755,654,650.00
  5. Step 5: Solve for x
    x = 5,755,654,650.00/86,471.16
  6. Step 6: Final answer
    x = 66,561.55

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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.