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Finding the Fourth Proportional to 264,129.41, 364,496.43 and 143,270.39

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Solution

The fourth proportional to 264,129.41, 364,496.43 and 143,270.39 is: 197,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,129.41 : 364,496.43 = 143,270.39 : x
  2. Step 2: Convert to fraction form
    264,129.41/364,496.43 = 143,270.39/x
  3. Step 3: Cross multiply
    264,129.41x = 364,496.43 × 143,270.39
  4. Step 4: Simplify right side
    264,129.41x = 52,221,545,679.71
  5. Step 5: Solve for x
    x = 52,221,545,679.71/264,129.41
  6. Step 6: Final answer
    x = 197,711.97

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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.