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Finding the Fourth Proportional to 162,847.80, 243,753.30 and 116,191.80

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Solution

The fourth proportional to 162,847.80, 243,753.30 and 116,191.80 is: 173,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,847.80 : 243,753.30 = 116,191.80 : x
  2. Step 2: Convert to fraction form
    162,847.80/243,753.30 = 116,191.80/x
  3. Step 3: Cross multiply
    162,847.80x = 243,753.30 × 116,191.80
  4. Step 4: Simplify right side
    162,847.80x = 28,322,134,682.94
  5. Step 5: Solve for x
    x = 28,322,134,682.94/162,847.80
  6. Step 6: Final answer
    x = 173,917.82

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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.