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Finding the Fourth Proportional to 88,224, 132,336 and 22,560

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Solution

The fourth proportional to 88,224, 132,336 and 22,560 is: 33,840

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,224 : 132,336 = 22,560 : x
  2. Step 2: Convert to fraction form
    88,224/132,336 = 22,560/x
  3. Step 3: Cross multiply
    88,224x = 132,336 × 22,560
  4. Step 4: Simplify right side
    88,224x = 2,985,500,160
  5. Step 5: Solve for x
    x = 2,985,500,160/88,224
  6. Step 6: Final answer
    x = 33,840

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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.