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Finding the Fourth Proportional to 168,707.70, 253,061.55 and 44,048.70

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Solution

The fourth proportional to 168,707.70, 253,061.55 and 44,048.70 is: 66,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,707.70 : 253,061.55 = 44,048.70 : x
  2. Step 2: Convert to fraction form
    168,707.70/253,061.55 = 44,048.70/x
  3. Step 3: Cross multiply
    168,707.70x = 253,061.55 × 44,048.70
  4. Step 4: Simplify right side
    168,707.70x = 11,147,032,297.49
  5. Step 5: Solve for x
    x = 11,147,032,297.49/168,707.70
  6. Step 6: Final answer
    x = 66,073.05

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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.