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Finding the Fourth Proportional to 446,161.97, 669,251.60 and 109,205.53

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Solution

The fourth proportional to 446,161.97, 669,251.60 and 109,205.53 is: 163,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,161.97 : 669,251.60 = 109,205.53 : x
  2. Step 2: Convert to fraction form
    446,161.97/669,251.60 = 109,205.53/x
  3. Step 3: Cross multiply
    446,161.97x = 669,251.60 × 109,205.53
  4. Step 4: Simplify right side
    446,161.97x = 73,085,975,681.35
  5. Step 5: Solve for x
    x = 73,085,975,681.35/446,161.97
  6. Step 6: Final answer
    x = 163,810.41

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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.