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Finding the Fourth Proportional to 60,175.90, 90,238.26 and 18,061.96

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Solution

The fourth proportional to 60,175.90, 90,238.26 and 18,061.96 is: 27,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,175.90 : 90,238.26 = 18,061.96 : x
  2. Step 2: Convert to fraction form
    60,175.90/90,238.26 = 18,061.96/x
  3. Step 3: Cross multiply
    60,175.90x = 90,238.26 × 18,061.96
  4. Step 4: Simplify right side
    60,175.90x = 1,629,879,842.59
  5. Step 5: Solve for x
    x = 1,629,879,842.59/60,175.90
  6. Step 6: Final answer
    x = 27,085.26

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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.