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Finding the Fourth Proportional to 117,537.60, 162,200.16 and 67,226.88

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Solution

The fourth proportional to 117,537.60, 162,200.16 and 67,226.88 is: 92,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.60 : 162,200.16 = 67,226.88 : x
  2. Step 2: Convert to fraction form
    117,537.60/162,200.16 = 67,226.88/x
  3. Step 3: Cross multiply
    117,537.60x = 162,200.16 × 67,226.88
  4. Step 4: Simplify right side
    117,537.60x = 10,904,210,692.30
  5. Step 5: Solve for x
    x = 10,904,210,692.30/117,537.60
  6. Step 6: Final answer
    x = 92,772.11

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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.