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Finding the Fourth Proportional to 119,857.17, 179,733.47 and 63,683.73

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Solution

The fourth proportional to 119,857.17, 179,733.47 and 63,683.73 is: 95,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,857.17 : 179,733.47 = 63,683.73 : x
  2. Step 2: Convert to fraction form
    119,857.17/179,733.47 = 63,683.73/x
  3. Step 3: Cross multiply
    119,857.17x = 179,733.47 × 63,683.73
  4. Step 4: Simplify right side
    119,857.17x = 11,446,097,978.44
  5. Step 5: Solve for x
    x = 11,446,097,978.44/119,857.17
  6. Step 6: Final answer
    x = 95,497.82

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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.