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Finding the Fourth Proportional to 61,671.12, 92,451.20 and 22,200.50

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Solution

The fourth proportional to 61,671.12, 92,451.20 and 22,200.50 is: 33,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.12 : 92,451.20 = 22,200.50 : x
  2. Step 2: Convert to fraction form
    61,671.12/92,451.20 = 22,200.50/x
  3. Step 3: Cross multiply
    61,671.12x = 92,451.20 × 22,200.50
  4. Step 4: Simplify right side
    61,671.12x = 2,052,462,865.60
  5. Step 5: Solve for x
    x = 2,052,462,865.60/61,671.12
  6. Step 6: Final answer
    x = 33,280.78

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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.