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Finding the Fourth Proportional to 232,370.48, 348,522.78 and 74,578.52

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Solution

The fourth proportional to 232,370.48, 348,522.78 and 74,578.52 is: 111,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,370.48 : 348,522.78 = 74,578.52 : x
  2. Step 2: Convert to fraction form
    232,370.48/348,522.78 = 74,578.52/x
  3. Step 3: Cross multiply
    232,370.48x = 348,522.78 × 74,578.52
  4. Step 4: Simplify right side
    232,370.48x = 25,992,313,118.69
  5. Step 5: Solve for x
    x = 25,992,313,118.69/232,370.48
  6. Step 6: Final answer
    x = 111,857.21

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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.