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Finding the Fourth Proportional to 192,692.03, 265,915.40 and 106,656.89

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Solution

The fourth proportional to 192,692.03, 265,915.40 and 106,656.89 is: 147,186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,692.03 : 265,915.40 = 106,656.89 : x
  2. Step 2: Convert to fraction form
    192,692.03/265,915.40 = 106,656.89/x
  3. Step 3: Cross multiply
    192,692.03x = 265,915.40 × 106,656.89
  4. Step 4: Simplify right side
    192,692.03x = 28,361,707,704.24
  5. Step 5: Solve for x
    x = 28,361,707,704.24/192,692.03
  6. Step 6: Final answer
    x = 147,186.72

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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.