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Finding the Fourth Proportional to 59,218.70, 81,720.82 and 32,360.62

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Solution

The fourth proportional to 59,218.70, 81,720.82 and 32,360.62 is: 44,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,218.70 : 81,720.82 = 32,360.62 : x
  2. Step 2: Convert to fraction form
    59,218.70/81,720.82 = 32,360.62/x
  3. Step 3: Cross multiply
    59,218.70x = 81,720.82 × 32,360.62
  4. Step 4: Simplify right side
    59,218.70x = 2,644,536,402.11
  5. Step 5: Solve for x
    x = 2,644,536,402.11/59,218.70
  6. Step 6: Final answer
    x = 44,657.12

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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.