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Finding the Fourth Proportional to 162,366, 243,335.16 and 68,755.92

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Solution

The fourth proportional to 162,366, 243,335.16 and 68,755.92 is: 103,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,366 : 243,335.16 = 68,755.92 : x
  2. Step 2: Convert to fraction form
    162,366/243,335.16 = 68,755.92/x
  3. Step 3: Cross multiply
    162,366x = 243,335.16 × 68,755.92
  4. Step 4: Simplify right side
    162,366x = 16,730,732,794.15
  5. Step 5: Solve for x
    x = 16,730,732,794.15/162,366
  6. Step 6: Final answer
    x = 103,043.33

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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.