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Finding the Fourth Proportional to 117,471.33, 162,110.91 and 63,756.41

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Solution

The fourth proportional to 117,471.33, 162,110.91 and 63,756.41 is: 87,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,471.33 : 162,110.91 = 63,756.41 : x
  2. Step 2: Convert to fraction form
    117,471.33/162,110.91 = 63,756.41/x
  3. Step 3: Cross multiply
    117,471.33x = 162,110.91 × 63,756.41
  4. Step 4: Simplify right side
    117,471.33x = 10,335,609,324.65
  5. Step 5: Solve for x
    x = 10,335,609,324.65/117,471.33
  6. Step 6: Final answer
    x = 87,984.10

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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.