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Finding the Fourth Proportional to 60,071.41, 90,512.61 and 49,770.64

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Solution

The fourth proportional to 60,071.41, 90,512.61 and 49,770.64 is: 74,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,071.41 : 90,512.61 = 49,770.64 : x
  2. Step 2: Convert to fraction form
    60,071.41/90,512.61 = 49,770.64/x
  3. Step 3: Cross multiply
    60,071.41x = 90,512.61 × 49,770.64
  4. Step 4: Simplify right side
    60,071.41x = 4,504,869,826.35
  5. Step 5: Solve for x
    x = 4,504,869,826.35/60,071.41
  6. Step 6: Final answer
    x = 74,991.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.