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Finding the Fourth Proportional to 356,534.56, 534,741.68 and 167,015.20

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Solution

The fourth proportional to 356,534.56, 534,741.68 and 167,015.20 is: 250,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,534.56 : 534,741.68 = 167,015.20 : x
  2. Step 2: Convert to fraction form
    356,534.56/534,741.68 = 167,015.20/x
  3. Step 3: Cross multiply
    356,534.56x = 534,741.68 × 167,015.20
  4. Step 4: Simplify right side
    356,534.56x = 89,309,988,633.54
  5. Step 5: Solve for x
    x = 89,309,988,633.54/356,534.56
  6. Step 6: Final answer
    x = 250,494.62

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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.