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Finding the Fourth Proportional to 117,692.76, 162,414.86 and 63,974.58

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Solution

The fourth proportional to 117,692.76, 162,414.86 and 63,974.58 is: 88,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,692.76 : 162,414.86 = 63,974.58 : x
  2. Step 2: Convert to fraction form
    117,692.76/162,414.86 = 63,974.58/x
  3. Step 3: Cross multiply
    117,692.76x = 162,414.86 × 63,974.58
  4. Step 4: Simplify right side
    117,692.76x = 10,390,422,134.39
  5. Step 5: Solve for x
    x = 10,390,422,134.39/117,692.76
  6. Step 6: Final answer
    x = 88,284.29

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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.