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Finding the Fourth Proportional to 116,918.92, 161,309.38 and 65,925.24

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Solution

The fourth proportional to 116,918.92, 161,309.38 and 65,925.24 is: 90,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,918.92 : 161,309.38 = 65,925.24 : x
  2. Step 2: Convert to fraction form
    116,918.92/161,309.38 = 65,925.24/x
  3. Step 3: Cross multiply
    116,918.92x = 161,309.38 × 65,925.24
  4. Step 4: Simplify right side
    116,918.92x = 10,634,359,590.75
  5. Step 5: Solve for x
    x = 10,634,359,590.75/116,918.92
  6. Step 6: Final answer
    x = 90,954.99

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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.