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Finding the Fourth Proportional to 92,974.28, 128,304.03 and 50,532.81

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Solution

The fourth proportional to 92,974.28, 128,304.03 and 50,532.81 is: 69,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.28 : 128,304.03 = 50,532.81 : x
  2. Step 2: Convert to fraction form
    92,974.28/128,304.03 = 50,532.81/x
  3. Step 3: Cross multiply
    92,974.28x = 128,304.03 × 50,532.81
  4. Step 4: Simplify right side
    92,974.28x = 6,483,563,170.22
  5. Step 5: Solve for x
    x = 6,483,563,170.22/92,974.28
  6. Step 6: Final answer
    x = 69,735.02

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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.