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Finding the Fourth Proportional to 88,683.89, 122,404.23 and 58,474.53

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Solution

The fourth proportional to 88,683.89, 122,404.23 and 58,474.53 is: 80,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.89 : 122,404.23 = 58,474.53 : x
  2. Step 2: Convert to fraction form
    88,683.89/122,404.23 = 58,474.53/x
  3. Step 3: Cross multiply
    88,683.89x = 122,404.23 × 58,474.53
  4. Step 4: Simplify right side
    88,683.89x = 7,157,529,819.26
  5. Step 5: Solve for x
    x = 7,157,529,819.26/88,683.89
  6. Step 6: Final answer
    x = 80,708.35

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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.