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Finding the Fourth Proportional to 66,692.46, 100,066.77 and 29,233.20

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Solution

The fourth proportional to 66,692.46, 100,066.77 and 29,233.20 is: 43,862.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,692.46 : 100,066.77 = 29,233.20 : x
  2. Step 2: Convert to fraction form
    66,692.46/100,066.77 = 29,233.20/x
  3. Step 3: Cross multiply
    66,692.46x = 100,066.77 × 29,233.20
  4. Step 4: Simplify right side
    66,692.46x = 2,925,271,900.76
  5. Step 5: Solve for x
    x = 2,925,271,900.76/66,692.46
  6. Step 6: Final answer
    x = 43,862.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.