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Finding the Fourth Proportional to 61,119.36, 91,679.12 and 16,746.50

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Solution

The fourth proportional to 61,119.36, 91,679.12 and 16,746.50 is: 25,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,119.36 : 91,679.12 = 16,746.50 : x
  2. Step 2: Convert to fraction form
    61,119.36/91,679.12 = 16,746.50/x
  3. Step 3: Cross multiply
    61,119.36x = 91,679.12 × 16,746.50
  4. Step 4: Simplify right side
    61,119.36x = 1,535,304,383.08
  5. Step 5: Solve for x
    x = 1,535,304,383.08/61,119.36
  6. Step 6: Final answer
    x = 25,119.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.