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Finding the Fourth Proportional to 162,863.40, 244,295.10 and 109,719.30

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Solution

The fourth proportional to 162,863.40, 244,295.10 and 109,719.30 is: 164,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,863.40 : 244,295.10 = 109,719.30 : x
  2. Step 2: Convert to fraction form
    162,863.40/244,295.10 = 109,719.30/x
  3. Step 3: Cross multiply
    162,863.40x = 244,295.10 × 109,719.30
  4. Step 4: Simplify right side
    162,863.40x = 26,803,887,365.43
  5. Step 5: Solve for x
    x = 26,803,887,365.43/162,863.40
  6. Step 6: Final answer
    x = 164,578.95

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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.