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Finding the Fourth Proportional to 303,103, 454,672.73 and 92,742.76

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Solution

The fourth proportional to 303,103, 454,672.73 and 92,742.76 is: 139,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,103 : 454,672.73 = 92,742.76 : x
  2. Step 2: Convert to fraction form
    303,103/454,672.73 = 92,742.76/x
  3. Step 3: Cross multiply
    303,103x = 454,672.73 × 92,742.76
  4. Step 4: Simplify right side
    303,103x = 42,167,603,413.22
  5. Step 5: Solve for x
    x = 42,167,603,413.22/303,103
  6. Step 6: Final answer
    x = 139,119.72

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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.