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Finding the Fourth Proportional to 185,887.71, 278,673.92 and 73,647.23

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Solution

The fourth proportional to 185,887.71, 278,673.92 and 73,647.23 is: 110,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,887.71 : 278,673.92 = 73,647.23 : x
  2. Step 2: Convert to fraction form
    185,887.71/278,673.92 = 73,647.23/x
  3. Step 3: Cross multiply
    185,887.71x = 278,673.92 × 73,647.23
  4. Step 4: Simplify right side
    185,887.71x = 20,523,560,795.81
  5. Step 5: Solve for x
    x = 20,523,560,795.81/185,887.71
  6. Step 6: Final answer
    x = 110,408.38

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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.