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Finding the Fourth Proportional to 79,787.67, 119,699.10 and 23,632.20

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Solution

The fourth proportional to 79,787.67, 119,699.10 and 23,632.20 is: 35,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.67 : 119,699.10 = 23,632.20 : x
  2. Step 2: Convert to fraction form
    79,787.67/119,699.10 = 23,632.20/x
  3. Step 3: Cross multiply
    79,787.67x = 119,699.10 × 23,632.20
  4. Step 4: Simplify right side
    79,787.67x = 2,828,753,071.02
  5. Step 5: Solve for x
    x = 2,828,753,071.02/79,787.67
  6. Step 6: Final answer
    x = 35,453.51

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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.