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Finding the Fourth Proportional to 270,919.27, 374,051.28 and 169,099.84

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Solution

The fourth proportional to 270,919.27, 374,051.28 and 169,099.84 is: 233,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,919.27 : 374,051.28 = 169,099.84 : x
  2. Step 2: Convert to fraction form
    270,919.27/374,051.28 = 169,099.84/x
  3. Step 3: Cross multiply
    270,919.27x = 374,051.28 × 169,099.84
  4. Step 4: Simplify right side
    270,919.27x = 63,252,011,599.80
  5. Step 5: Solve for x
    x = 63,252,011,599.80/270,919.27
  6. Step 6: Final answer
    x = 233,471.81

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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.