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Finding the Fourth Proportional to 469,112.04, 703,622.97 and 132,147.32

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Solution

The fourth proportional to 469,112.04, 703,622.97 and 132,147.32 is: 198,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,112.04 : 703,622.97 = 132,147.32 : x
  2. Step 2: Convert to fraction form
    469,112.04/703,622.97 = 132,147.32/x
  3. Step 3: Cross multiply
    469,112.04x = 703,622.97 × 132,147.32
  4. Step 4: Simplify right side
    469,112.04x = 92,981,886,257.83
  5. Step 5: Solve for x
    x = 92,981,886,257.83/469,112.04
  6. Step 6: Final answer
    x = 198,208.27

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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.