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Finding the Fourth Proportional to 259,058.94, 357,375.06 and 167,153.28

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Solution

The fourth proportional to 259,058.94, 357,375.06 and 167,153.28 is: 230,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,058.94 : 357,375.06 = 167,153.28 : x
  2. Step 2: Convert to fraction form
    259,058.94/357,375.06 = 167,153.28/x
  3. Step 3: Cross multiply
    259,058.94x = 357,375.06 × 167,153.28
  4. Step 4: Simplify right side
    259,058.94x = 59,736,413,469.20
  5. Step 5: Solve for x
    x = 59,736,413,469.20/259,058.94
  6. Step 6: Final answer
    x = 230,590.05

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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.