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Finding the Fourth Proportional to 264,780.41, 365,397.39 and 143,921.39

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Solution

The fourth proportional to 264,780.41, 365,397.39 and 143,921.39 is: 198,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,780.41 : 365,397.39 = 143,921.39 : x
  2. Step 2: Convert to fraction form
    264,780.41/365,397.39 = 143,921.39/x
  3. Step 3: Cross multiply
    264,780.41x = 365,397.39 × 143,921.39
  4. Step 4: Simplify right side
    264,780.41x = 52,588,498,444.19
  5. Step 5: Solve for x
    x = 52,588,498,444.19/264,780.41
  6. Step 6: Final answer
    x = 198,611.75

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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.