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Finding the Fourth Proportional to 117,665.51, 162,379.44 and 63,950.64

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Solution

The fourth proportional to 117,665.51, 162,379.44 and 63,950.64 is: 88,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,665.51 : 162,379.44 = 63,950.64 : x
  2. Step 2: Convert to fraction form
    117,665.51/162,379.44 = 63,950.64/x
  3. Step 3: Cross multiply
    117,665.51x = 162,379.44 × 63,950.64
  4. Step 4: Simplify right side
    117,665.51x = 10,384,269,110.84
  5. Step 5: Solve for x
    x = 10,384,269,110.84/117,665.51
  6. Step 6: Final answer
    x = 88,252.45

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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.