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Finding the Fourth Proportional to 245,722.93, 368,584.59 and 68,229.92

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Solution

The fourth proportional to 245,722.93, 368,584.59 and 68,229.92 is: 102,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,722.93 : 368,584.59 = 68,229.92 : x
  2. Step 2: Convert to fraction form
    245,722.93/368,584.59 = 68,229.92/x
  3. Step 3: Cross multiply
    245,722.93x = 368,584.59 × 68,229.92
  4. Step 4: Simplify right side
    245,722.93x = 25,148,497,088.93
  5. Step 5: Solve for x
    x = 25,148,497,088.93/245,722.93
  6. Step 6: Final answer
    x = 102,344.93

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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.