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Finding the Fourth Proportional to 61,202.68, 91,792.14 and 16,818.04

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Solution

The fourth proportional to 61,202.68, 91,792.14 and 16,818.04 is: 25,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,202.68 : 91,792.14 = 16,818.04 : x
  2. Step 2: Convert to fraction form
    61,202.68/91,792.14 = 16,818.04/x
  3. Step 3: Cross multiply
    61,202.68x = 91,792.14 × 16,818.04
  4. Step 4: Simplify right side
    61,202.68x = 1,543,763,882.21
  5. Step 5: Solve for x
    x = 1,543,763,882.21/61,202.68
  6. Step 6: Final answer
    x = 25,223.80

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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.