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Finding the Fourth Proportional to 65,143.44, 89,884.08 and 50,052.60

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Solution

The fourth proportional to 65,143.44, 89,884.08 and 50,052.60 is: 69,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,143.44 : 89,884.08 = 50,052.60 : x
  2. Step 2: Convert to fraction form
    65,143.44/89,884.08 = 50,052.60/x
  3. Step 3: Cross multiply
    65,143.44x = 89,884.08 × 50,052.60
  4. Step 4: Simplify right side
    65,143.44x = 4,498,931,902.61
  5. Step 5: Solve for x
    x = 4,498,931,902.61/65,143.44
  6. Step 6: Final answer
    x = 69,061.93

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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.