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Finding the Fourth Proportional to 88,662.64, 122,352.08 and 48,376.38

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Solution

The fourth proportional to 88,662.64, 122,352.08 and 48,376.38 is: 66,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.64 : 122,352.08 = 48,376.38 : x
  2. Step 2: Convert to fraction form
    88,662.64/122,352.08 = 48,376.38/x
  3. Step 3: Cross multiply
    88,662.64x = 122,352.08 × 48,376.38
  4. Step 4: Simplify right side
    88,662.64x = 5,918,950,715.87
  5. Step 5: Solve for x
    x = 5,918,950,715.87/88,662.64
  6. Step 6: Final answer
    x = 66,758.11

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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.