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Finding the Fourth Proportional to 65,286.67, 90,123.16 and 44,094.64

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Solution

The fourth proportional to 65,286.67, 90,123.16 and 44,094.64 is: 60,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,286.67 : 90,123.16 = 44,094.64 : x
  2. Step 2: Convert to fraction form
    65,286.67/90,123.16 = 44,094.64/x
  3. Step 3: Cross multiply
    65,286.67x = 90,123.16 × 44,094.64
  4. Step 4: Simplify right side
    65,286.67x = 3,973,947,845.25
  5. Step 5: Solve for x
    x = 3,973,947,845.25/65,286.67
  6. Step 6: Final answer
    x = 60,869.21

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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.