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Finding the Fourth Proportional to 264,341.48, 364,789.93 and 143,481.78

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Solution

The fourth proportional to 264,341.48, 364,789.93 and 143,481.78 is: 198,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,341.48 : 364,789.93 = 143,481.78 : x
  2. Step 2: Convert to fraction form
    264,341.48/364,789.93 = 143,481.78/x
  3. Step 3: Cross multiply
    264,341.48x = 364,789.93 × 143,481.78
  4. Step 4: Simplify right side
    264,341.48x = 52,340,708,392.80
  5. Step 5: Solve for x
    x = 52,340,708,392.80/264,341.48
  6. Step 6: Final answer
    x = 198,004.15

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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.