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Finding the Fourth Proportional to 73,570.78, 110,372.57 and 26,823.66

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Solution

The fourth proportional to 73,570.78, 110,372.57 and 26,823.66 is: 40,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,570.78 : 110,372.57 = 26,823.66 : x
  2. Step 2: Convert to fraction form
    73,570.78/110,372.57 = 26,823.66/x
  3. Step 3: Cross multiply
    73,570.78x = 110,372.57 × 26,823.66
  4. Step 4: Simplify right side
    73,570.78x = 2,960,595,994.46
  5. Step 5: Solve for x
    x = 2,960,595,994.46/73,570.78
  6. Step 6: Final answer
    x = 40,241.46

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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.