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Finding the Fourth Proportional to 61,150.60, 91,716.07 and 16,767.06

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Solution

The fourth proportional to 61,150.60, 91,716.07 and 16,767.06 is: 25,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.60 : 91,716.07 = 16,767.06 : x
  2. Step 2: Convert to fraction form
    61,150.60/91,716.07 = 16,767.06/x
  3. Step 3: Cross multiply
    61,150.60x = 91,716.07 × 16,767.06
  4. Step 4: Simplify right side
    61,150.60x = 1,537,808,848.65
  5. Step 5: Solve for x
    x = 1,537,808,848.65/61,150.60
  6. Step 6: Final answer
    x = 25,147.89

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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.