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Finding the Fourth Proportional to 293,508.43, 440,317.95 and 111,193.84

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Solution

The fourth proportional to 293,508.43, 440,317.95 and 111,193.84 is: 166,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,508.43 : 440,317.95 = 111,193.84 : x
  2. Step 2: Convert to fraction form
    293,508.43/440,317.95 = 111,193.84/x
  3. Step 3: Cross multiply
    293,508.43x = 440,317.95 × 111,193.84
  4. Step 4: Simplify right side
    293,508.43x = 48,960,643,125.46
  5. Step 5: Solve for x
    x = 48,960,643,125.46/293,508.43
  6. Step 6: Final answer
    x = 166,811.71

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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.