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Finding the Fourth Proportional to 117,662.65, 162,375.48 and 63,947.66

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Solution

The fourth proportional to 117,662.65, 162,375.48 and 63,947.66 is: 88,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,662.65 : 162,375.48 = 63,947.66 : x
  2. Step 2: Convert to fraction form
    117,662.65/162,375.48 = 63,947.66/x
  3. Step 3: Cross multiply
    117,662.65x = 162,375.48 × 63,947.66
  4. Step 4: Simplify right side
    117,662.65x = 10,383,531,175.50
  5. Step 5: Solve for x
    x = 10,383,531,175.50/117,662.65
  6. Step 6: Final answer
    x = 88,248.32

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1.5x scale

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.