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Finding the Fourth Proportional to 161,996.68, 223,410.06 and 101,573.92

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Solution

The fourth proportional to 161,996.68, 223,410.06 and 101,573.92 is: 140,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.68 : 223,410.06 = 101,573.92 : x
  2. Step 2: Convert to fraction form
    161,996.68/223,410.06 = 101,573.92/x
  3. Step 3: Cross multiply
    161,996.68x = 223,410.06 × 101,573.92
  4. Step 4: Simplify right side
    161,996.68x = 22,692,635,561.64
  5. Step 5: Solve for x
    x = 22,692,635,561.64/161,996.68
  6. Step 6: Final answer
    x = 140,080.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.