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Finding the Fourth Proportional to 302,711.77, 454,138.67 and 92,349.64

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Solution

The fourth proportional to 302,711.77, 454,138.67 and 92,349.64 is: 138,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,711.77 : 454,138.67 = 92,349.64 : x
  2. Step 2: Convert to fraction form
    302,711.77/454,138.67 = 92,349.64/x
  3. Step 3: Cross multiply
    302,711.77x = 454,138.67 × 92,349.64
  4. Step 4: Simplify right side
    302,711.77x = 41,939,542,684.58
  5. Step 5: Solve for x
    x = 41,939,542,684.58/302,711.77
  6. Step 6: Final answer
    x = 138,546.12

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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.