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Finding the Fourth Proportional to 348,960.15, 523,542.69 and 112,296.78

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Solution

The fourth proportional to 348,960.15, 523,542.69 and 112,296.78 is: 168,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,960.15 : 523,542.69 = 112,296.78 : x
  2. Step 2: Convert to fraction form
    348,960.15/523,542.69 = 112,296.78/x
  3. Step 3: Cross multiply
    348,960.15x = 523,542.69 × 112,296.78
  4. Step 4: Simplify right side
    348,960.15x = 58,792,158,279.54
  5. Step 5: Solve for x
    x = 58,792,158,279.54/348,960.15
  6. Step 6: Final answer
    x = 168,478.14

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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.