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Finding the Fourth Proportional to 67,030.86, 100,398.66 and 44,739.87

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Solution

The fourth proportional to 67,030.86, 100,398.66 and 44,739.87 is: 67,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,030.86 : 100,398.66 = 44,739.87 : x
  2. Step 2: Convert to fraction form
    67,030.86/100,398.66 = 44,739.87/x
  3. Step 3: Cross multiply
    67,030.86x = 100,398.66 × 44,739.87
  4. Step 4: Simplify right side
    67,030.86x = 4,491,822,996.57
  5. Step 5: Solve for x
    x = 4,491,822,996.57/67,030.86
  6. Step 6: Final answer
    x = 67,011.27

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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.