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Finding the Fourth Proportional to 228,876.66, 343,389.51 and 110,561.58

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Solution

The fourth proportional to 228,876.66, 343,389.51 and 110,561.58 is: 165,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,876.66 : 343,389.51 = 110,561.58 : x
  2. Step 2: Convert to fraction form
    228,876.66/343,389.51 = 110,561.58/x
  3. Step 3: Cross multiply
    228,876.66x = 343,389.51 × 110,561.58
  4. Step 4: Simplify right side
    228,876.66x = 37,965,686,781.03
  5. Step 5: Solve for x
    x = 37,965,686,781.03/228,876.66
  6. Step 6: Final answer
    x = 165,878.37

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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.