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Finding the Fourth Proportional to 96,793.56, 133,567.52 and 54,343.89

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Solution

The fourth proportional to 96,793.56, 133,567.52 and 54,343.89 is: 74,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,793.56 : 133,567.52 = 54,343.89 : x
  2. Step 2: Convert to fraction form
    96,793.56/133,567.52 = 54,343.89/x
  3. Step 3: Cross multiply
    96,793.56x = 133,567.52 × 54,343.89
  4. Step 4: Simplify right side
    96,793.56x = 7,258,578,342.73
  5. Step 5: Solve for x
    x = 7,258,578,342.73/96,793.56
  6. Step 6: Final answer
    x = 74,990.30

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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.