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Finding the Fourth Proportional to 117,237.34, 161,787.31 and 63,523.81

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Solution

The fourth proportional to 117,237.34, 161,787.31 and 63,523.81 is: 87,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,237.34 : 161,787.31 = 63,523.81 : x
  2. Step 2: Convert to fraction form
    117,237.34/161,787.31 = 63,523.81/x
  3. Step 3: Cross multiply
    117,237.34x = 161,787.31 × 63,523.81
  4. Step 4: Simplify right side
    117,237.34x = 10,277,346,340.85
  5. Step 5: Solve for x
    x = 10,277,346,340.85/117,237.34
  6. Step 6: Final answer
    x = 87,662.74

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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.