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Finding the Fourth Proportional to 88,812.80, 122,561.99 and 48,527.44

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Solution

The fourth proportional to 88,812.80, 122,561.99 and 48,527.44 is: 66,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,812.80 : 122,561.99 = 48,527.44 : x
  2. Step 2: Convert to fraction form
    88,812.80/122,561.99 = 48,527.44/x
  3. Step 3: Cross multiply
    88,812.80x = 122,561.99 × 48,527.44
  4. Step 4: Simplify right side
    88,812.80x = 5,947,619,616.01
  5. Step 5: Solve for x
    x = 5,947,619,616.01/88,812.80
  6. Step 6: Final answer
    x = 66,968.05

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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.