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Finding the Fourth Proportional to 116,963.96, 161,410.14 and 63,248.49

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Solution

The fourth proportional to 116,963.96, 161,410.14 and 63,248.49 is: 87,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,963.96 : 161,410.14 = 63,248.49 : x
  2. Step 2: Convert to fraction form
    116,963.96/161,410.14 = 63,248.49/x
  3. Step 3: Cross multiply
    116,963.96x = 161,410.14 × 63,248.49
  4. Step 4: Simplify right side
    116,963.96x = 10,208,947,625.69
  5. Step 5: Solve for x
    x = 10,208,947,625.69/116,963.96
  6. Step 6: Final answer
    x = 87,282.85

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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.