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Finding the Fourth Proportional to 88,662.30, 122,352.93 and 48,376.44

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Solution

The fourth proportional to 88,662.30, 122,352.93 and 48,376.44 is: 66,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.30 : 122,352.93 = 48,376.44 : x
  2. Step 2: Convert to fraction form
    88,662.30/122,352.93 = 48,376.44/x
  3. Step 3: Cross multiply
    88,662.30x = 122,352.93 × 48,376.44
  4. Step 4: Simplify right side
    88,662.30x = 5,918,999,176.97
  5. Step 5: Solve for x
    x = 5,918,999,176.97/88,662.30
  6. Step 6: Final answer
    x = 66,758.92

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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.