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Finding the Fourth Proportional to 88,220, 132,330 and 22,556

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Solution

The fourth proportional to 88,220, 132,330 and 22,556 is: 33,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220 : 132,330 = 22,556 : x
  2. Step 2: Convert to fraction form
    88,220/132,330 = 22,556/x
  3. Step 3: Cross multiply
    88,220x = 132,330 × 22,556
  4. Step 4: Simplify right side
    88,220x = 2,984,835,480
  5. Step 5: Solve for x
    x = 2,984,835,480/88,220
  6. Step 6: Final answer
    x = 33,834

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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.