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Finding the Fourth Proportional to 191,507.82, 286,992.81 and 151,350.27

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Solution

The fourth proportional to 191,507.82, 286,992.81 and 151,350.27 is: 226,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,507.82 : 286,992.81 = 151,350.27 : x
  2. Step 2: Convert to fraction form
    191,507.82/286,992.81 = 151,350.27/x
  3. Step 3: Cross multiply
    191,507.82x = 286,992.81 × 151,350.27
  4. Step 4: Simplify right side
    191,507.82x = 43,436,439,281.56
  5. Step 5: Solve for x
    x = 43,436,439,281.56/191,507.82
  6. Step 6: Final answer
    x = 226,812.88

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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.