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Finding the Fourth Proportional to 259,207.88, 388,811.81 and 62,215.88

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Solution

The fourth proportional to 259,207.88, 388,811.81 and 62,215.88 is: 93,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,207.88 : 388,811.81 = 62,215.88 : x
  2. Step 2: Convert to fraction form
    259,207.88/388,811.81 = 62,215.88/x
  3. Step 3: Cross multiply
    259,207.88x = 388,811.81 × 62,215.88
  4. Step 4: Simplify right side
    259,207.88x = 24,190,267,125.02
  5. Step 5: Solve for x
    x = 24,190,267,125.02/259,207.88
  6. Step 6: Final answer
    x = 93,323.81

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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.