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Finding the Fourth Proportional to 73,602.35, 110,419.82 and 26,855.09

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Solution

The fourth proportional to 73,602.35, 110,419.82 and 26,855.09 is: 40,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602.35 : 110,419.82 = 26,855.09 : x
  2. Step 2: Convert to fraction form
    73,602.35/110,419.82 = 26,855.09/x
  3. Step 3: Cross multiply
    73,602.35x = 110,419.82 × 26,855.09
  4. Step 4: Simplify right side
    73,602.35x = 2,965,334,069.61
  5. Step 5: Solve for x
    x = 2,965,334,069.61/73,602.35
  6. Step 6: Final answer
    x = 40,288.58

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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.