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Finding the Fourth Proportional to 245,401.65, 368,110.67 and 67,893.80

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Solution

The fourth proportional to 245,401.65, 368,110.67 and 67,893.80 is: 101,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,401.65 : 368,110.67 = 67,893.80 : x
  2. Step 2: Convert to fraction form
    245,401.65/368,110.67 = 67,893.80/x
  3. Step 3: Cross multiply
    245,401.65x = 368,110.67 × 67,893.80
  4. Step 4: Simplify right side
    245,401.65x = 24,992,430,026.82
  5. Step 5: Solve for x
    x = 24,992,430,026.82/245,401.65
  6. Step 6: Final answer
    x = 101,842.96

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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.