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Finding the Fourth Proportional to 54,777.51, 81,770.04 and 48,134.52

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Solution

The fourth proportional to 54,777.51, 81,770.04 and 48,134.52 is: 71,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,777.51 : 81,770.04 = 48,134.52 : x
  2. Step 2: Convert to fraction form
    54,777.51/81,770.04 = 48,134.52/x
  3. Step 3: Cross multiply
    54,777.51x = 81,770.04 × 48,134.52
  4. Step 4: Simplify right side
    54,777.51x = 3,935,961,625.78
  5. Step 5: Solve for x
    x = 3,935,961,625.78/54,777.51
  6. Step 6: Final answer
    x = 71,853.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.