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Finding the Fourth Proportional to 61,133.81, 91,694.57 and 16,765.02

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Solution

The fourth proportional to 61,133.81, 91,694.57 and 16,765.02 is: 25,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.81 : 91,694.57 = 16,765.02 : x
  2. Step 2: Convert to fraction form
    61,133.81/91,694.57 = 16,765.02/x
  3. Step 3: Cross multiply
    61,133.81x = 91,694.57 × 16,765.02
  4. Step 4: Simplify right side
    61,133.81x = 1,537,261,216.12
  5. Step 5: Solve for x
    x = 1,537,261,216.12/61,133.81
  6. Step 6: Final answer
    x = 25,145.85

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Why These Related Problems?

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