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Finding the Fourth Proportional to 264,029.05, 364,359.36 and 143,169.97

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Solution

The fourth proportional to 264,029.05, 364,359.36 and 143,169.97 is: 197,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,029.05 : 364,359.36 = 143,169.97 : x
  2. Step 2: Convert to fraction form
    264,029.05/364,359.36 = 143,169.97/x
  3. Step 3: Cross multiply
    264,029.05x = 364,359.36 × 143,169.97
  4. Step 4: Simplify right side
    264,029.05x = 52,165,316,818.62
  5. Step 5: Solve for x
    x = 52,165,316,818.62/264,029.05
  6. Step 6: Final answer
    x = 197,574.16

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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.