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Finding the Fourth Proportional to 451,487.01, 677,223.63 and 109,933.64

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Solution

The fourth proportional to 451,487.01, 677,223.63 and 109,933.64 is: 164,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,487.01 : 677,223.63 = 109,933.64 : x
  2. Step 2: Convert to fraction form
    451,487.01/677,223.63 = 109,933.64/x
  3. Step 3: Cross multiply
    451,487.01x = 677,223.63 × 109,933.64
  4. Step 4: Simplify right side
    451,487.01x = 74,449,655,353.80
  5. Step 5: Solve for x
    x = 74,449,655,353.80/451,487.01
  6. Step 6: Final answer
    x = 164,898.78

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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.