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Finding the Fourth Proportional to 96,540.61, 133,232.70 and 54,101.89

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Solution

The fourth proportional to 96,540.61, 133,232.70 and 54,101.89 is: 74,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.61 : 133,232.70 = 54,101.89 : x
  2. Step 2: Convert to fraction form
    96,540.61/133,232.70 = 54,101.89/x
  3. Step 3: Cross multiply
    96,540.61x = 133,232.70 × 54,101.89
  4. Step 4: Simplify right side
    96,540.61x = 7,208,140,879.80
  5. Step 5: Solve for x
    x = 7,208,140,879.80/96,540.61
  6. Step 6: Final answer
    x = 74,664.34

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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.