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Finding the Fourth Proportional to 88,992.60, 122,797.64 and 53,175.04

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Solution

The fourth proportional to 88,992.60, 122,797.64 and 53,175.04 is: 73,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,992.60 : 122,797.64 = 53,175.04 : x
  2. Step 2: Convert to fraction form
    88,992.60/122,797.64 = 53,175.04/x
  3. Step 3: Cross multiply
    88,992.60x = 122,797.64 × 53,175.04
  4. Step 4: Simplify right side
    88,992.60x = 6,529,769,418.91
  5. Step 5: Solve for x
    x = 6,529,769,418.91/88,992.60
  6. Step 6: Final answer
    x = 73,374.30

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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.