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Finding the Fourth Proportional to 96,488.37, 133,218.94 and 60,245

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Solution

The fourth proportional to 96,488.37, 133,218.94 and 60,245 is: 83,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,488.37 : 133,218.94 = 60,245 : x
  2. Step 2: Convert to fraction form
    96,488.37/133,218.94 = 60,245/x
  3. Step 3: Cross multiply
    96,488.37x = 133,218.94 × 60,245
  4. Step 4: Simplify right side
    96,488.37x = 8,025,775,040.30
  5. Step 5: Solve for x
    x = 8,025,775,040.30/96,488.37
  6. Step 6: Final answer
    x = 83,178.68

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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.