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Finding the Fourth Proportional to 117,648.56, 162,354.48 and 63,932.56

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Solution

The fourth proportional to 117,648.56, 162,354.48 and 63,932.56 is: 88,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648.56 : 162,354.48 = 63,932.56 : x
  2. Step 2: Convert to fraction form
    117,648.56/162,354.48 = 63,932.56/x
  3. Step 3: Cross multiply
    117,648.56x = 162,354.48 × 63,932.56
  4. Step 4: Simplify right side
    117,648.56x = 10,379,737,533.87
  5. Step 5: Solve for x
    x = 10,379,737,533.87/117,648.56
  6. Step 6: Final answer
    x = 88,226.64

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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.