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Finding the Fourth Proportional to 216,079.66, 298,175.13 and 119,278.96

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Solution

The fourth proportional to 216,079.66, 298,175.13 and 119,278.96 is: 164,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,079.66 : 298,175.13 = 119,278.96 : x
  2. Step 2: Convert to fraction form
    216,079.66/298,175.13 = 119,278.96/x
  3. Step 3: Cross multiply
    216,079.66x = 298,175.13 × 119,278.96
  4. Step 4: Simplify right side
    216,079.66x = 35,566,019,404.26
  5. Step 5: Solve for x
    x = 35,566,019,404.26/216,079.66
  6. Step 6: Final answer
    x = 164,596.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.