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Finding the Fourth Proportional to 441,703.32, 662,541.48 and 126,160.80

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Solution

The fourth proportional to 441,703.32, 662,541.48 and 126,160.80 is: 189,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,703.32 : 662,541.48 = 126,160.80 : x
  2. Step 2: Convert to fraction form
    441,703.32/662,541.48 = 126,160.80/x
  3. Step 3: Cross multiply
    441,703.32x = 662,541.48 × 126,160.80
  4. Step 4: Simplify right side
    441,703.32x = 83,586,763,149.98
  5. Step 5: Solve for x
    x = 83,586,763,149.98/441,703.32
  6. Step 6: Final answer
    x = 189,237.34

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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.