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Finding the Fourth Proportional to 117,506.52, 162,141.88 and 67,195.80

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Solution

The fourth proportional to 117,506.52, 162,141.88 and 67,195.80 is: 92,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506.52 : 162,141.88 = 67,195.80 : x
  2. Step 2: Convert to fraction form
    117,506.52/162,141.88 = 67,195.80/x
  3. Step 3: Cross multiply
    117,506.52x = 162,141.88 × 67,195.80
  4. Step 4: Simplify right side
    117,506.52x = 10,895,253,340.10
  5. Step 5: Solve for x
    x = 10,895,253,340.10/117,506.52
  6. Step 6: Final answer
    x = 92,720.42

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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.