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Finding the Fourth Proportional to 92,451.64, 138,614.80 and 36,256.56

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Solution

The fourth proportional to 92,451.64, 138,614.80 and 36,256.56 is: 54,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.64 : 138,614.80 = 36,256.56 : x
  2. Step 2: Convert to fraction form
    92,451.64/138,614.80 = 36,256.56/x
  3. Step 3: Cross multiply
    92,451.64x = 138,614.80 × 36,256.56
  4. Step 4: Simplify right side
    92,451.64x = 5,025,695,813.09
  5. Step 5: Solve for x
    x = 5,025,695,813.09/92,451.64
  6. Step 6: Final answer
    x = 54,360.27

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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.