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Finding the Fourth Proportional to 88,635.81, 122,319.72 and 48,350.25

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Solution

The fourth proportional to 88,635.81, 122,319.72 and 48,350.25 is: 66,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,635.81 : 122,319.72 = 48,350.25 : x
  2. Step 2: Convert to fraction form
    88,635.81/122,319.72 = 48,350.25/x
  3. Step 3: Cross multiply
    88,635.81x = 122,319.72 × 48,350.25
  4. Step 4: Simplify right side
    88,635.81x = 5,914,189,041.93
  5. Step 5: Solve for x
    x = 5,914,189,041.93/88,635.81
  6. Step 6: Final answer
    x = 66,724.60

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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.