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Finding the Fourth Proportional to 75,119.86, 112,516.02 and 37,614.52

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Solution

The fourth proportional to 75,119.86, 112,516.02 and 37,614.52 is: 56,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,119.86 : 112,516.02 = 37,614.52 : x
  2. Step 2: Convert to fraction form
    75,119.86/112,516.02 = 37,614.52/x
  3. Step 3: Cross multiply
    75,119.86x = 112,516.02 × 37,614.52
  4. Step 4: Simplify right side
    75,119.86x = 4,232,236,304.83
  5. Step 5: Solve for x
    x = 4,232,236,304.83/75,119.86
  6. Step 6: Final answer
    x = 56,339.78

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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.