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Finding the Fourth Proportional to 247,871.41, 371,740.69 and 107,596.69

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Solution

The fourth proportional to 247,871.41, 371,740.69 and 107,596.69 is: 161,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,871.41 : 371,740.69 = 107,596.69 : x
  2. Step 2: Convert to fraction form
    247,871.41/371,740.69 = 107,596.69/x
  3. Step 3: Cross multiply
    247,871.41x = 371,740.69 × 107,596.69
  4. Step 4: Simplify right side
    247,871.41x = 39,998,066,987.46
  5. Step 5: Solve for x
    x = 39,998,066,987.46/247,871.41
  6. Step 6: Final answer
    x = 161,366.20

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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.