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Finding the Fourth Proportional to 88,999.90, 122,819.56 and 48,163.95

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Solution

The fourth proportional to 88,999.90, 122,819.56 and 48,163.95 is: 66,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.90 : 122,819.56 = 48,163.95 : x
  2. Step 2: Convert to fraction form
    88,999.90/122,819.56 = 48,163.95/x
  3. Step 3: Cross multiply
    88,999.90x = 122,819.56 × 48,163.95
  4. Step 4: Simplify right side
    88,999.90x = 5,915,475,026.45
  5. Step 5: Solve for x
    x = 5,915,475,026.45/88,999.90
  6. Step 6: Final answer
    x = 66,466.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.