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Finding the Fourth Proportional to 303,078.70, 454,601.57 and 92,716.64

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Solution

The fourth proportional to 303,078.70, 454,601.57 and 92,716.64 is: 139,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,078.70 : 454,601.57 = 92,716.64 : x
  2. Step 2: Convert to fraction form
    303,078.70/454,601.57 = 92,716.64/x
  3. Step 3: Cross multiply
    303,078.70x = 454,601.57 × 92,716.64
  4. Step 4: Simplify right side
    303,078.70x = 42,149,130,109.12
  5. Step 5: Solve for x
    x = 42,149,130,109.12/303,078.70
  6. Step 6: Final answer
    x = 139,069.92

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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.