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Finding the Fourth Proportional to 162,719, 244,451.88 and 115,450.64

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Solution

The fourth proportional to 162,719, 244,451.88 and 115,450.64 is: 173,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719 : 244,451.88 = 115,450.64 : x
  2. Step 2: Convert to fraction form
    162,719/244,451.88 = 115,450.64/x
  3. Step 3: Cross multiply
    162,719x = 244,451.88 × 115,450.64
  4. Step 4: Simplify right side
    162,719x = 28,222,125,995.20
  5. Step 5: Solve for x
    x = 28,222,125,995.20/162,719
  6. Step 6: Final answer
    x = 173,440.88

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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.