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Finding the Fourth Proportional to 117,624.80, 162,324.60 and 63,913.29

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Solution

The fourth proportional to 117,624.80, 162,324.60 and 63,913.29 is: 88,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,624.80 : 162,324.60 = 63,913.29 : x
  2. Step 2: Convert to fraction form
    117,624.80/162,324.60 = 63,913.29/x
  3. Step 3: Cross multiply
    117,624.80x = 162,324.60 × 63,913.29
  4. Step 4: Simplify right side
    117,624.80x = 10,374,699,233.93
  5. Step 5: Solve for x
    x = 10,374,699,233.93/117,624.80
  6. Step 6: Final answer
    x = 88,201.63

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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.