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Finding the Fourth Proportional to 161,221.88, 241,832.50 and 42,893.36

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Solution

The fourth proportional to 161,221.88, 241,832.50 and 42,893.36 is: 64,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,221.88 : 241,832.50 = 42,893.36 : x
  2. Step 2: Convert to fraction form
    161,221.88/241,832.50 = 42,893.36/x
  3. Step 3: Cross multiply
    161,221.88x = 241,832.50 × 42,893.36
  4. Step 4: Simplify right side
    161,221.88x = 10,373,008,482.20
  5. Step 5: Solve for x
    x = 10,373,008,482.20/161,221.88
  6. Step 6: Final answer
    x = 64,339.95

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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.