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Finding the Fourth Proportional to 96,480.79, 133,149.63 and 54,041.92

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Solution

The fourth proportional to 96,480.79, 133,149.63 and 54,041.92 is: 74,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,480.79 : 133,149.63 = 54,041.92 : x
  2. Step 2: Convert to fraction form
    96,480.79/133,149.63 = 54,041.92/x
  3. Step 3: Cross multiply
    96,480.79x = 133,149.63 × 54,041.92
  4. Step 4: Simplify right side
    96,480.79x = 7,195,661,652.49
  5. Step 5: Solve for x
    x = 7,195,661,652.49/96,480.79
  6. Step 6: Final answer
    x = 74,581.29

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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.