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Finding the Fourth Proportional to 245,561.91, 368,306.41 and 68,050.41

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Solution

The fourth proportional to 245,561.91, 368,306.41 and 68,050.41 is: 102,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,561.91 : 368,306.41 = 68,050.41 : x
  2. Step 2: Convert to fraction form
    245,561.91/368,306.41 = 68,050.41/x
  3. Step 3: Cross multiply
    245,561.91x = 368,306.41 × 68,050.41
  4. Step 4: Simplify right side
    245,561.91x = 25,063,400,024.34
  5. Step 5: Solve for x
    x = 25,063,400,024.34/245,561.91
  6. Step 6: Final answer
    x = 102,065.51

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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.