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Finding the Fourth Proportional to 303,079.08, 454,690.98 and 92,716.68

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Solution

The fourth proportional to 303,079.08, 454,690.98 and 92,716.68 is: 139,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,079.08 : 454,690.98 = 92,716.68 : x
  2. Step 2: Convert to fraction form
    303,079.08/454,690.98 = 92,716.68/x
  3. Step 3: Cross multiply
    303,079.08x = 454,690.98 × 92,716.68
  4. Step 4: Simplify right side
    303,079.08x = 42,157,438,091.55
  5. Step 5: Solve for x
    x = 42,157,438,091.55/303,079.08
  6. Step 6: Final answer
    x = 139,097.16

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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.