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Finding the Fourth Proportional to 79,751.56, 119,644.86 and 23,587.30

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Solution

The fourth proportional to 79,751.56, 119,644.86 and 23,587.30 is: 35,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.56 : 119,644.86 = 23,587.30 : x
  2. Step 2: Convert to fraction form
    79,751.56/119,644.86 = 23,587.30/x
  3. Step 3: Cross multiply
    79,751.56x = 119,644.86 × 23,587.30
  4. Step 4: Simplify right side
    79,751.56x = 2,822,099,206.28
  5. Step 5: Solve for x
    x = 2,822,099,206.28/79,751.56
  6. Step 6: Final answer
    x = 35,386.13

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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.