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Finding the Fourth Proportional to 233,058.31, 349,336.31 and 112,860.79

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Solution

The fourth proportional to 233,058.31, 349,336.31 and 112,860.79 is: 169,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,058.31 : 349,336.31 = 112,860.79 : x
  2. Step 2: Convert to fraction form
    233,058.31/349,336.31 = 112,860.79/x
  3. Step 3: Cross multiply
    233,058.31x = 349,336.31 × 112,860.79
  4. Step 4: Simplify right side
    233,058.31x = 39,426,372,608.37
  5. Step 5: Solve for x
    x = 39,426,372,608.37/233,058.31
  6. Step 6: Final answer
    x = 169,169.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.