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Finding the Fourth Proportional to 168,698.70, 253,048.05 and 44,039.70

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Solution

The fourth proportional to 168,698.70, 253,048.05 and 44,039.70 is: 66,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,698.70 : 253,048.05 = 44,039.70 : x
  2. Step 2: Convert to fraction form
    168,698.70/253,048.05 = 44,039.70/x
  3. Step 3: Cross multiply
    168,698.70x = 253,048.05 × 44,039.70
  4. Step 4: Simplify right side
    168,698.70x = 11,144,160,207.59
  5. Step 5: Solve for x
    x = 11,144,160,207.59/168,698.70
  6. Step 6: Final answer
    x = 66,059.55

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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.