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Finding the Fourth Proportional to 117,505.52, 162,140.51 and 67,194.80

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Solution

The fourth proportional to 117,505.52, 162,140.51 and 67,194.80 is: 92,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,505.52 : 162,140.51 = 67,194.80 : x
  2. Step 2: Convert to fraction form
    117,505.52/162,140.51 = 67,194.80/x
  3. Step 3: Cross multiply
    117,505.52x = 162,140.51 × 67,194.80
  4. Step 4: Simplify right side
    117,505.52x = 10,894,998,805.37
  5. Step 5: Solve for x
    x = 10,894,998,805.37/117,505.52
  6. Step 6: Final answer
    x = 92,719.04

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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.