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Finding the Fourth Proportional to 110,851.88, 166,282.76 and 40,692.92

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Solution

The fourth proportional to 110,851.88, 166,282.76 and 40,692.92 is: 61,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851.88 : 166,282.76 = 40,692.92 : x
  2. Step 2: Convert to fraction form
    110,851.88/166,282.76 = 40,692.92/x
  3. Step 3: Cross multiply
    110,851.88x = 166,282.76 × 40,692.92
  4. Step 4: Simplify right side
    110,851.88x = 6,766,531,050.06
  5. Step 5: Solve for x
    x = 6,766,531,050.06/110,851.88
  6. Step 6: Final answer
    x = 61,041.19

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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.