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Finding the Fourth Proportional to 258,658.92, 357,173.82 and 190,793.88

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Solution

The fourth proportional to 258,658.92, 357,173.82 and 190,793.88 is: 263,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,658.92 : 357,173.82 = 190,793.88 : x
  2. Step 2: Convert to fraction form
    258,658.92/357,173.82 = 190,793.88/x
  3. Step 3: Cross multiply
    258,658.92x = 357,173.82 × 190,793.88
  4. Step 4: Simplify right side
    258,658.92x = 68,146,578,952.22
  5. Step 5: Solve for x
    x = 68,146,578,952.22/258,658.92
  6. Step 6: Final answer
    x = 263,461.16

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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.