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Finding the Fourth Proportional to 247,494.65, 370,906.17 and 105,161.45

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Solution

The fourth proportional to 247,494.65, 370,906.17 and 105,161.45 is: 157,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,494.65 : 370,906.17 = 105,161.45 : x
  2. Step 2: Convert to fraction form
    247,494.65/370,906.17 = 105,161.45/x
  3. Step 3: Cross multiply
    247,494.65x = 370,906.17 × 105,161.45
  4. Step 4: Simplify right side
    247,494.65x = 39,005,030,651.15
  5. Step 5: Solve for x
    x = 39,005,030,651.15/247,494.65
  6. Step 6: Final answer
    x = 157,599.49

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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.