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Finding the Fourth Proportional to 258,649.88, 356,734.62 and 168,035.04

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Solution

The fourth proportional to 258,649.88, 356,734.62 and 168,035.04 is: 231,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,649.88 : 356,734.62 = 168,035.04 : x
  2. Step 2: Convert to fraction form
    258,649.88/356,734.62 = 168,035.04/x
  3. Step 3: Cross multiply
    258,649.88x = 356,734.62 × 168,035.04
  4. Step 4: Simplify right side
    258,649.88x = 59,943,916,141.08
  5. Step 5: Solve for x
    x = 59,943,916,141.08/258,649.88
  6. Step 6: Final answer
    x = 231,756.98

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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.