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Finding the Fourth Proportional to 303,066, 454,617.23 and 92,705.76

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Solution

The fourth proportional to 303,066, 454,617.23 and 92,705.76 is: 139,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,066 : 454,617.23 = 92,705.76 : x
  2. Step 2: Convert to fraction form
    303,066/454,617.23 = 92,705.76/x
  3. Step 3: Cross multiply
    303,066x = 454,617.23 × 92,705.76
  4. Step 4: Simplify right side
    303,066x = 42,145,635,352.72
  5. Step 5: Solve for x
    x = 42,145,635,352.72/303,066
  6. Step 6: Final answer
    x = 139,064.21

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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.