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Finding the Fourth Proportional to 59,122.48, 81,129.82 and 53,776.56

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Solution

The fourth proportional to 59,122.48, 81,129.82 and 53,776.56 is: 73,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,122.48 : 81,129.82 = 53,776.56 : x
  2. Step 2: Convert to fraction form
    59,122.48/81,129.82 = 53,776.56/x
  3. Step 3: Cross multiply
    59,122.48x = 81,129.82 × 53,776.56
  4. Step 4: Simplify right side
    59,122.48x = 4,362,882,633.02
  5. Step 5: Solve for x
    x = 4,362,882,633.02/59,122.48
  6. Step 6: Final answer
    x = 73,793.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.