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Finding the Fourth Proportional to 181,856.70, 272,736.45 and 63,515.70

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Solution

The fourth proportional to 181,856.70, 272,736.45 and 63,515.70 is: 95,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,856.70 : 272,736.45 = 63,515.70 : x
  2. Step 2: Convert to fraction form
    181,856.70/272,736.45 = 63,515.70/x
  3. Step 3: Cross multiply
    181,856.70x = 272,736.45 × 63,515.70
  4. Step 4: Simplify right side
    181,856.70x = 17,323,046,537.27
  5. Step 5: Solve for x
    x = 17,323,046,537.27/181,856.70
  6. Step 6: Final answer
    x = 95,256.58

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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.