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Finding the Fourth Proportional to 79,947.77, 119,900.76 and 23,772.76

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Solution

The fourth proportional to 79,947.77, 119,900.76 and 23,772.76 is: 35,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,947.77 : 119,900.76 = 23,772.76 : x
  2. Step 2: Convert to fraction form
    79,947.77/119,900.76 = 23,772.76/x
  3. Step 3: Cross multiply
    79,947.77x = 119,900.76 × 23,772.76
  4. Step 4: Simplify right side
    79,947.77x = 2,850,371,602.40
  5. Step 5: Solve for x
    x = 2,850,371,602.40/79,947.77
  6. Step 6: Final answer
    x = 35,652.92

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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.