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Finding the Fourth Proportional to 88,978.33, 122,777.95 and 53,160.73

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Solution

The fourth proportional to 88,978.33, 122,777.95 and 53,160.73 is: 73,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978.33 : 122,777.95 = 53,160.73 : x
  2. Step 2: Convert to fraction form
    88,978.33/122,777.95 = 53,160.73/x
  3. Step 3: Cross multiply
    88,978.33x = 122,777.95 × 53,160.73
  4. Step 4: Simplify right side
    88,978.33x = 6,526,965,449.90
  5. Step 5: Solve for x
    x = 6,526,965,449.90/88,978.33
  6. Step 6: Final answer
    x = 73,354.55

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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.