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Finding the Fourth Proportional to 73,184.58, 109,752.26 and 28,799.70

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Solution

The fourth proportional to 73,184.58, 109,752.26 and 28,799.70 is: 43,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,184.58 : 109,752.26 = 28,799.70 : x
  2. Step 2: Convert to fraction form
    73,184.58/109,752.26 = 28,799.70/x
  3. Step 3: Cross multiply
    73,184.58x = 109,752.26 × 28,799.70
  4. Step 4: Simplify right side
    73,184.58x = 3,160,832,162.32
  5. Step 5: Solve for x
    x = 3,160,832,162.32/73,184.58
  6. Step 6: Final answer
    x = 43,189.87

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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.