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Finding the Fourth Proportional to 162,344.15, 223,889.91 and 101,920.44

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Solution

The fourth proportional to 162,344.15, 223,889.91 and 101,920.44 is: 140,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,344.15 : 223,889.91 = 101,920.44 : x
  2. Step 2: Convert to fraction form
    162,344.15/223,889.91 = 101,920.44/x
  3. Step 3: Cross multiply
    162,344.15x = 223,889.91 × 101,920.44
  4. Step 4: Simplify right side
    162,344.15x = 22,818,958,596.15
  5. Step 5: Solve for x
    x = 22,818,958,596.15/162,344.15
  6. Step 6: Final answer
    x = 140,559.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.