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Finding the Fourth Proportional to 88,618.50, 122,293.53 and 48,874.50

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Solution

The fourth proportional to 88,618.50, 122,293.53 and 48,874.50 is: 67,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,618.50 : 122,293.53 = 48,874.50 : x
  2. Step 2: Convert to fraction form
    88,618.50/122,293.53 = 48,874.50/x
  3. Step 3: Cross multiply
    88,618.50x = 122,293.53 × 48,874.50
  4. Step 4: Simplify right side
    88,618.50x = 5,977,035,131.99
  5. Step 5: Solve for x
    x = 5,977,035,131.99/88,618.50
  6. Step 6: Final answer
    x = 67,446.81

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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.