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Finding the Fourth Proportional to 376,738.77, 565,103.80 and 92,426.55

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Solution

The fourth proportional to 376,738.77, 565,103.80 and 92,426.55 is: 138,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,738.77 : 565,103.80 = 92,426.55 : x
  2. Step 2: Convert to fraction form
    376,738.77/565,103.80 = 92,426.55/x
  3. Step 3: Cross multiply
    376,738.77x = 565,103.80 × 92,426.55
  4. Step 4: Simplify right side
    376,738.77x = 52,230,594,446.51
  5. Step 5: Solve for x
    x = 52,230,594,446.51/376,738.77
  6. Step 6: Final answer
    x = 138,638.76

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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.