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Finding the Fourth Proportional to 516,134.67, 774,201.72 and 161,179.11

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Solution

The fourth proportional to 516,134.67, 774,201.72 and 161,179.11 is: 241,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,134.67 : 774,201.72 = 161,179.11 : x
  2. Step 2: Convert to fraction form
    516,134.67/774,201.72 = 161,179.11/x
  3. Step 3: Cross multiply
    516,134.67x = 774,201.72 × 161,179.11
  4. Step 4: Simplify right side
    516,134.67x = 124,785,144,190.07
  5. Step 5: Solve for x
    x = 124,785,144,190.07/516,134.67
  6. Step 6: Final answer
    x = 241,768.58

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Similar ratio
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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.