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Finding the Fourth Proportional to 303,002.56, 454,503.84 and 92,640.50

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Solution

The fourth proportional to 303,002.56, 454,503.84 and 92,640.50 is: 138,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,002.56 : 454,503.84 = 92,640.50 : x
  2. Step 2: Convert to fraction form
    303,002.56/454,503.84 = 92,640.50/x
  3. Step 3: Cross multiply
    303,002.56x = 454,503.84 × 92,640.50
  4. Step 4: Simplify right side
    303,002.56x = 42,105,462,989.52
  5. Step 5: Solve for x
    x = 42,105,462,989.52/303,002.56
  6. Step 6: Final answer
    x = 138,960.75

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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.