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Finding the Fourth Proportional to 117,473.70, 162,109.59 and 63,757.64

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Solution

The fourth proportional to 117,473.70, 162,109.59 and 63,757.64 is: 87,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.70 : 162,109.59 = 63,757.64 : x
  2. Step 2: Convert to fraction form
    117,473.70/162,109.59 = 63,757.64/x
  3. Step 3: Cross multiply
    117,473.70x = 162,109.59 × 63,757.64
  4. Step 4: Simplify right side
    117,473.70x = 10,335,724,879.77
  5. Step 5: Solve for x
    x = 10,335,724,879.77/117,473.70
  6. Step 6: Final answer
    x = 87,983.31

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