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Finding the Fourth Proportional to 96,958.83, 133,800.03 and 53,938.11

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Solution

The fourth proportional to 96,958.83, 133,800.03 and 53,938.11 is: 74,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,958.83 : 133,800.03 = 53,938.11 : x
  2. Step 2: Convert to fraction form
    96,958.83/133,800.03 = 53,938.11/x
  3. Step 3: Cross multiply
    96,958.83x = 133,800.03 × 53,938.11
  4. Step 4: Simplify right side
    96,958.83x = 7,216,920,736.14
  5. Step 5: Solve for x
    x = 7,216,920,736.14/96,958.83
  6. Step 6: Final answer
    x = 74,432.84

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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.