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Finding the Fourth Proportional to 88,843.88, 122,592.72 and 57,055.84

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Solution

The fourth proportional to 88,843.88, 122,592.72 and 57,055.84 is: 78,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,843.88 : 122,592.72 = 57,055.84 : x
  2. Step 2: Convert to fraction form
    88,843.88/122,592.72 = 57,055.84/x
  3. Step 3: Cross multiply
    88,843.88x = 122,592.72 × 57,055.84
  4. Step 4: Simplify right side
    88,843.88x = 6,994,630,617.48
  5. Step 5: Solve for x
    x = 6,994,630,617.48/88,843.88
  6. Step 6: Final answer
    x = 78,729.46

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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.