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Finding the Fourth Proportional to 88,959.80, 122,795.80 and 54,994.34

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Solution

The fourth proportional to 88,959.80, 122,795.80 and 54,994.34 is: 75,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959.80 : 122,795.80 = 54,994.34 : x
  2. Step 2: Convert to fraction form
    88,959.80/122,795.80 = 54,994.34/x
  3. Step 3: Cross multiply
    88,959.80x = 122,795.80 × 54,994.34
  4. Step 4: Simplify right side
    88,959.80x = 6,753,074,145.28
  5. Step 5: Solve for x
    x = 6,753,074,145.28/88,959.80
  6. Step 6: Final answer
    x = 75,911.52

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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.