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Finding the Fourth Proportional to 59,218.78, 81,720.92 and 32,360.66

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Solution

The fourth proportional to 59,218.78, 81,720.92 and 32,360.66 is: 44,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,218.78 : 81,720.92 = 32,360.66 : x
  2. Step 2: Convert to fraction form
    59,218.78/81,720.92 = 32,360.66/x
  3. Step 3: Cross multiply
    59,218.78x = 81,720.92 × 32,360.66
  4. Step 4: Simplify right side
    59,218.78x = 2,644,542,907.01
  5. Step 5: Solve for x
    x = 2,644,542,907.01/59,218.78
  6. Step 6: Final answer
    x = 44,657.17

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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.