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Finding the Fourth Proportional to 291,950.71, 402,892.29 and 171,067.93

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Solution

The fourth proportional to 291,950.71, 402,892.29 and 171,067.93 is: 236,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,950.71 : 402,892.29 = 171,067.93 : x
  2. Step 2: Convert to fraction form
    291,950.71/402,892.29 = 171,067.93/x
  3. Step 3: Cross multiply
    291,950.71x = 402,892.29 × 171,067.93
  4. Step 4: Simplify right side
    291,950.71x = 68,921,950,063.26
  5. Step 5: Solve for x
    x = 68,921,950,063.26/291,950.71
  6. Step 6: Final answer
    x = 236,073.93

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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.