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Finding the Fourth Proportional to 253,391.34, 349,656.24 and 171,553.14

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Solution

The fourth proportional to 253,391.34, 349,656.24 and 171,553.14 is: 236,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,391.34 : 349,656.24 = 171,553.14 : x
  2. Step 2: Convert to fraction form
    253,391.34/349,656.24 = 171,553.14/x
  3. Step 3: Cross multiply
    253,391.34x = 349,656.24 × 171,553.14
  4. Step 4: Simplify right side
    253,391.34x = 59,984,625,892.59
  5. Step 5: Solve for x
    x = 59,984,625,892.59/253,391.34
  6. Step 6: Final answer
    x = 236,727.21

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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.