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Finding the Fourth Proportional to 192,536.72, 288,824.36 and 66,160.29

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Solution

The fourth proportional to 192,536.72, 288,824.36 and 66,160.29 is: 99,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,536.72 : 288,824.36 = 66,160.29 : x
  2. Step 2: Convert to fraction form
    192,536.72/288,824.36 = 66,160.29/x
  3. Step 3: Cross multiply
    192,536.72x = 288,824.36 × 66,160.29
  4. Step 4: Simplify right side
    192,536.72x = 19,108,703,085.86
  5. Step 5: Solve for x
    x = 19,108,703,085.86/192,536.72
  6. Step 6: Final answer
    x = 99,247.06

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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.