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Finding the Fourth Proportional to 61,494.58, 92,242.68 and 17,120.26

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Solution

The fourth proportional to 61,494.58, 92,242.68 and 17,120.26 is: 25,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,494.58 : 92,242.68 = 17,120.26 : x
  2. Step 2: Convert to fraction form
    61,494.58/92,242.68 = 17,120.26/x
  3. Step 3: Cross multiply
    61,494.58x = 92,242.68 × 17,120.26
  4. Step 4: Simplify right side
    61,494.58x = 1,579,218,664.70
  5. Step 5: Solve for x
    x = 1,579,218,664.70/61,494.58
  6. Step 6: Final answer
    x = 25,680.62

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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.