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Finding the Fourth Proportional to 303,300.74, 454,934.68 and 92,939.29

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Solution

The fourth proportional to 303,300.74, 454,934.68 and 92,939.29 is: 139,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,300.74 : 454,934.68 = 92,939.29 : x
  2. Step 2: Convert to fraction form
    303,300.74/454,934.68 = 92,939.29/x
  3. Step 3: Cross multiply
    303,300.74x = 454,934.68 × 92,939.29
  4. Step 4: Simplify right side
    303,300.74x = 42,281,306,155.58
  5. Step 5: Solve for x
    x = 42,281,306,155.58/303,300.74
  6. Step 6: Final answer
    x = 139,403.90

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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.