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Finding the Fourth Proportional to 117,101.96, 161,600.82 and 63,387.08

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Solution

The fourth proportional to 117,101.96, 161,600.82 and 63,387.08 is: 87,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101.96 : 161,600.82 = 63,387.08 : x
  2. Step 2: Convert to fraction form
    117,101.96/161,600.82 = 63,387.08/x
  3. Step 3: Cross multiply
    117,101.96x = 161,600.82 × 63,387.08
  4. Step 4: Simplify right side
    117,101.96x = 10,243,404,105.41
  5. Step 5: Solve for x
    x = 10,243,404,105.41/117,101.96
  6. Step 6: Final answer
    x = 87,474.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.