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Finding the Fourth Proportional to 181,856.62, 272,747.66 and 114,357.70

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Solution

The fourth proportional to 181,856.62, 272,747.66 and 114,357.70 is: 171,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,856.62 : 272,747.66 = 114,357.70 : x
  2. Step 2: Convert to fraction form
    181,856.62/272,747.66 = 114,357.70/x
  3. Step 3: Cross multiply
    181,856.62x = 272,747.66 × 114,357.70
  4. Step 4: Simplify right side
    181,856.62x = 31,190,794,682.01
  5. Step 5: Solve for x
    x = 31,190,794,682.01/181,856.62
  6. Step 6: Final answer
    x = 171,513.11

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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.