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Finding the Fourth Proportional to 303,324.70, 454,987.05 and 92,935.30

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Solution

The fourth proportional to 303,324.70, 454,987.05 and 92,935.30 is: 139,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,324.70 : 454,987.05 = 92,935.30 : x
  2. Step 2: Convert to fraction form
    303,324.70/454,987.05 = 92,935.30/x
  3. Step 3: Cross multiply
    303,324.70x = 454,987.05 × 92,935.30
  4. Step 4: Simplify right side
    303,324.70x = 42,284,357,987.87
  5. Step 5: Solve for x
    x = 42,284,357,987.87/303,324.70
  6. Step 6: Final answer
    x = 139,402.95

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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.