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Finding the Fourth Proportional to 247,058.94, 340,941.78 and 133,881.69

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Solution

The fourth proportional to 247,058.94, 340,941.78 and 133,881.69 is: 184,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,058.94 : 340,941.78 = 133,881.69 : x
  2. Step 2: Convert to fraction form
    247,058.94/340,941.78 = 133,881.69/x
  3. Step 3: Cross multiply
    247,058.94x = 340,941.78 × 133,881.69
  4. Step 4: Simplify right side
    247,058.94x = 45,645,861,698.01
  5. Step 5: Solve for x
    x = 45,645,861,698.01/247,058.94
  6. Step 6: Final answer
    x = 184,756.97

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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.