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Finding the Fourth Proportional to 245,324.40, 367,986.60 and 76,846.14

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Solution

The fourth proportional to 245,324.40, 367,986.60 and 76,846.14 is: 115,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,324.40 : 367,986.60 = 76,846.14 : x
  2. Step 2: Convert to fraction form
    245,324.40/367,986.60 = 76,846.14/x
  3. Step 3: Cross multiply
    245,324.40x = 367,986.60 × 76,846.14
  4. Step 4: Simplify right side
    245,324.40x = 28,278,349,781.72
  5. Step 5: Solve for x
    x = 28,278,349,781.72/245,324.40
  6. Step 6: Final answer
    x = 115,269.21

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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.