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Finding the Fourth Proportional to 59,781.66, 89,450.98 and 43,998.36

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Solution

The fourth proportional to 59,781.66, 89,450.98 and 43,998.36 is: 65,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,781.66 : 89,450.98 = 43,998.36 : x
  2. Step 2: Convert to fraction form
    59,781.66/89,450.98 = 43,998.36/x
  3. Step 3: Cross multiply
    59,781.66x = 89,450.98 × 43,998.36
  4. Step 4: Simplify right side
    59,781.66x = 3,935,696,420.39
  5. Step 5: Solve for x
    x = 3,935,696,420.39/59,781.66
  6. Step 6: Final answer
    x = 65,834.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.