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Finding the Fourth Proportional to 88,405.82, 122,010.43 and 49,650.01

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Solution

The fourth proportional to 88,405.82, 122,010.43 and 49,650.01 is: 68,522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405.82 : 122,010.43 = 49,650.01 : x
  2. Step 2: Convert to fraction form
    88,405.82/122,010.43 = 49,650.01/x
  3. Step 3: Cross multiply
    88,405.82x = 122,010.43 × 49,650.01
  4. Step 4: Simplify right side
    88,405.82x = 6,057,819,280.21
  5. Step 5: Solve for x
    x = 6,057,819,280.21/88,405.82
  6. Step 6: Final answer
    x = 68,522.86

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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.