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Finding the Fourth Proportional to 293,062.93, 439,589.59 and 93,380.61

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Solution

The fourth proportional to 293,062.93, 439,589.59 and 93,380.61 is: 140,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,062.93 : 439,589.59 = 93,380.61 : x
  2. Step 2: Convert to fraction form
    293,062.93/439,589.59 = 93,380.61/x
  3. Step 3: Cross multiply
    293,062.93x = 439,589.59 × 93,380.61
  4. Step 4: Simplify right side
    293,062.93x = 41,049,144,063.85
  5. Step 5: Solve for x
    x = 41,049,144,063.85/293,062.93
  6. Step 6: Final answer
    x = 140,069.38

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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.