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Finding the Fourth Proportional to 79,511.76, 119,242.84 and 23,337.88

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Solution

The fourth proportional to 79,511.76, 119,242.84 and 23,337.88 is: 34,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,511.76 : 119,242.84 = 23,337.88 : x
  2. Step 2: Convert to fraction form
    79,511.76/119,242.84 = 23,337.88/x
  3. Step 3: Cross multiply
    79,511.76x = 119,242.84 × 23,337.88
  4. Step 4: Simplify right side
    79,511.76x = 2,782,875,090.78
  5. Step 5: Solve for x
    x = 2,782,875,090.78/79,511.76
  6. Step 6: Final answer
    x = 34,999.54

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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.