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Finding the Fourth Proportional to 84,706.80, 127,110.60 and 32,121.60

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Solution

The fourth proportional to 84,706.80, 127,110.60 and 32,121.60 is: 48,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,706.80 : 127,110.60 = 32,121.60 : x
  2. Step 2: Convert to fraction form
    84,706.80/127,110.60 = 32,121.60/x
  3. Step 3: Cross multiply
    84,706.80x = 127,110.60 × 32,121.60
  4. Step 4: Simplify right side
    84,706.80x = 4,082,995,848.96
  5. Step 5: Solve for x
    x = 4,082,995,848.96/84,706.80
  6. Step 6: Final answer
    x = 48,201.51

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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.