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Finding the Fourth Proportional to 73,902.84, 110,856.63 and 28,922.42

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Solution

The fourth proportional to 73,902.84, 110,856.63 and 28,922.42 is: 43,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,902.84 : 110,856.63 = 28,922.42 : x
  2. Step 2: Convert to fraction form
    73,902.84/110,856.63 = 28,922.42/x
  3. Step 3: Cross multiply
    73,902.84x = 110,856.63 × 28,922.42
  4. Step 4: Simplify right side
    73,902.84x = 3,206,242,012.64
  5. Step 5: Solve for x
    x = 3,206,242,012.64/73,902.84
  6. Step 6: Final answer
    x = 43,384.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.