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Finding the Fourth Proportional to 469,039.36, 703,496.85 and 132,106.49

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Solution

The fourth proportional to 469,039.36, 703,496.85 and 132,106.49 is: 198,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,039.36 : 703,496.85 = 132,106.49 : x
  2. Step 2: Convert to fraction form
    469,039.36/703,496.85 = 132,106.49/x
  3. Step 3: Cross multiply
    469,039.36x = 703,496.85 × 132,106.49
  4. Step 4: Simplify right side
    469,039.36x = 92,936,502,161.96
  5. Step 5: Solve for x
    x = 92,936,502,161.96/469,039.36
  6. Step 6: Final answer
    x = 198,142.22

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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.