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Finding the Fourth Proportional to 61,191.03, 91,768.91 and 16,819.23

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Solution

The fourth proportional to 61,191.03, 91,768.91 and 16,819.23 is: 25,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.03 : 91,768.91 = 16,819.23 : x
  2. Step 2: Convert to fraction form
    61,191.03/91,768.91 = 16,819.23/x
  3. Step 3: Cross multiply
    61,191.03x = 91,768.91 × 16,819.23
  4. Step 4: Simplify right side
    61,191.03x = 1,543,482,320.04
  5. Step 5: Solve for x
    x = 1,543,482,320.04/61,191.03
  6. Step 6: Final answer
    x = 25,224.00

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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.