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Finding the Fourth Proportional to 162,016.44, 243,023.91 and 43,699.74

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Solution

The fourth proportional to 162,016.44, 243,023.91 and 43,699.74 is: 65,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,016.44 : 243,023.91 = 43,699.74 : x
  2. Step 2: Convert to fraction form
    162,016.44/243,023.91 = 43,699.74/x
  3. Step 3: Cross multiply
    162,016.44x = 243,023.91 × 43,699.74
  4. Step 4: Simplify right side
    162,016.44x = 10,620,081,680.78
  5. Step 5: Solve for x
    x = 10,620,081,680.78/162,016.44
  6. Step 6: Final answer
    x = 65,549.41

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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.