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Finding the Fourth Proportional to 117,939.96, 176,866.17 and 63,893.91

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Solution

The fourth proportional to 117,939.96, 176,866.17 and 63,893.91 is: 95,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.96 : 176,866.17 = 63,893.91 : x
  2. Step 2: Convert to fraction form
    117,939.96/176,866.17 = 63,893.91/x
  3. Step 3: Cross multiply
    117,939.96x = 176,866.17 × 63,893.91
  4. Step 4: Simplify right side
    117,939.96x = 11,300,671,148.02
  5. Step 5: Solve for x
    x = 11,300,671,148.02/117,939.96
  6. Step 6: Final answer
    x = 95,817.15

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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.