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Finding the Fourth Proportional to 73,352.42, 109,885.87 and 54,083.08

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Solution

The fourth proportional to 73,352.42, 109,885.87 and 54,083.08 is: 81,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,352.42 : 109,885.87 = 54,083.08 : x
  2. Step 2: Convert to fraction form
    73,352.42/109,885.87 = 54,083.08/x
  3. Step 3: Cross multiply
    73,352.42x = 109,885.87 × 54,083.08
  4. Step 4: Simplify right side
    73,352.42x = 5,942,965,478.23
  5. Step 5: Solve for x
    x = 5,942,965,478.23/73,352.42
  6. Step 6: Final answer
    x = 81,019.35

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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.