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Finding the Fourth Proportional to 161,221.96, 241,832.56 and 42,893.32

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Solution

The fourth proportional to 161,221.96, 241,832.56 and 42,893.32 is: 64,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,221.96 : 241,832.56 = 42,893.32 : x
  2. Step 2: Convert to fraction form
    161,221.96/241,832.56 = 42,893.32/x
  3. Step 3: Cross multiply
    161,221.96x = 241,832.56 × 42,893.32
  4. Step 4: Simplify right side
    161,221.96x = 10,373,001,382.50
  5. Step 5: Solve for x
    x = 10,373,001,382.50/161,221.96
  6. Step 6: Final answer
    x = 64,339.88

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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.