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Finding the Fourth Proportional to 117,692.77, 162,376.48 and 66,701.49

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Solution

The fourth proportional to 117,692.77, 162,376.48 and 66,701.49 is: 92,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,692.77 : 162,376.48 = 66,701.49 : x
  2. Step 2: Convert to fraction form
    117,692.77/162,376.48 = 66,701.49/x
  3. Step 3: Cross multiply
    117,692.77x = 162,376.48 × 66,701.49
  4. Step 4: Simplify right side
    117,692.77x = 10,830,753,156.96
  5. Step 5: Solve for x
    x = 10,830,753,156.96/117,692.77
  6. Step 6: Final answer
    x = 92,025.65

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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.