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Finding the Fourth Proportional to 247,002.69, 340,863.72 and 133,825.44

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Solution

The fourth proportional to 247,002.69, 340,863.72 and 133,825.44 is: 184,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.69 : 340,863.72 = 133,825.44 : x
  2. Step 2: Convert to fraction form
    247,002.69/340,863.72 = 133,825.44/x
  3. Step 3: Cross multiply
    247,002.69x = 340,863.72 × 133,825.44
  4. Step 4: Simplify right side
    247,002.69x = 45,616,237,309.04
  5. Step 5: Solve for x
    x = 45,616,237,309.04/247,002.69
  6. Step 6: Final answer
    x = 184,679.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.