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Finding the Fourth Proportional to 79,511.76, 119,263.86 and 23,349.60

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Solution

The fourth proportional to 79,511.76, 119,263.86 and 23,349.60 is: 35,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,511.76 : 119,263.86 = 23,349.60 : x
  2. Step 2: Convert to fraction form
    79,511.76/119,263.86 = 23,349.60/x
  3. Step 3: Cross multiply
    79,511.76x = 119,263.86 × 23,349.60
  4. Step 4: Simplify right side
    79,511.76x = 2,784,763,425.46
  5. Step 5: Solve for x
    x = 2,784,763,425.46/79,511.76
  6. Step 6: Final answer
    x = 35,023.29

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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.