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Finding the Fourth Proportional to 216,892.04, 324,772.16 and 174,540.78

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Solution

The fourth proportional to 216,892.04, 324,772.16 and 174,540.78 is: 261,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892.04 : 324,772.16 = 174,540.78 : x
  2. Step 2: Convert to fraction form
    216,892.04/324,772.16 = 174,540.78/x
  3. Step 3: Cross multiply
    216,892.04x = 324,772.16 × 174,540.78
  4. Step 4: Simplify right side
    216,892.04x = 56,685,986,565.04
  5. Step 5: Solve for x
    x = 56,685,986,565.04/216,892.04
  6. Step 6: Final answer
    x = 261,355.78

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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.