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Finding the Fourth Proportional to 88,871.67, 122,643.72 and 48,584.70

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Solution

The fourth proportional to 88,871.67, 122,643.72 and 48,584.70 is: 67,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,871.67 : 122,643.72 = 48,584.70 : x
  2. Step 2: Convert to fraction form
    88,871.67/122,643.72 = 48,584.70/x
  3. Step 3: Cross multiply
    88,871.67x = 122,643.72 × 48,584.70
  4. Step 4: Simplify right side
    88,871.67x = 5,958,608,343.08
  5. Step 5: Solve for x
    x = 5,958,608,343.08/88,871.67
  6. Step 6: Final answer
    x = 67,047.33

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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.