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Finding the Fourth Proportional to 88,902.68, 122,684.52 and 50,664.50

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Solution

The fourth proportional to 88,902.68, 122,684.52 and 50,664.50 is: 69,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.68 : 122,684.52 = 50,664.50 : x
  2. Step 2: Convert to fraction form
    88,902.68/122,684.52 = 50,664.50/x
  3. Step 3: Cross multiply
    88,902.68x = 122,684.52 × 50,664.50
  4. Step 4: Simplify right side
    88,902.68x = 6,215,749,817.74
  5. Step 5: Solve for x
    x = 6,215,749,817.74/88,902.68
  6. Step 6: Final answer
    x = 69,916.34

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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.