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Finding the Fourth Proportional to 60,211.80, 90,231.30 and 44,292.60

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Solution

The fourth proportional to 60,211.80, 90,231.30 and 44,292.60 is: 66,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,211.80 : 90,231.30 = 44,292.60 : x
  2. Step 2: Convert to fraction form
    60,211.80/90,231.30 = 44,292.60/x
  3. Step 3: Cross multiply
    60,211.80x = 90,231.30 × 44,292.60
  4. Step 4: Simplify right side
    60,211.80x = 3,996,578,878.38
  5. Step 5: Solve for x
    x = 3,996,578,878.38/60,211.80
  6. Step 6: Final answer
    x = 66,375.34

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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.