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Finding the Fourth Proportional to 117,268.29, 161,830.71 and 63,553.14

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Solution

The fourth proportional to 117,268.29, 161,830.71 and 63,553.14 is: 87,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,268.29 : 161,830.71 = 63,553.14 : x
  2. Step 2: Convert to fraction form
    117,268.29/161,830.71 = 63,553.14/x
  3. Step 3: Cross multiply
    117,268.29x = 161,830.71 × 63,553.14
  4. Step 4: Simplify right side
    117,268.29x = 10,284,849,768.93
  5. Step 5: Solve for x
    x = 10,284,849,768.93/117,268.29
  6. Step 6: Final answer
    x = 87,703.59

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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.