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Finding the Fourth Proportional to 169,722.62, 254,583.90 and 43,363.11

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Solution

The fourth proportional to 169,722.62, 254,583.90 and 43,363.11 is: 65,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.62 : 254,583.90 = 43,363.11 : x
  2. Step 2: Convert to fraction form
    169,722.62/254,583.90 = 43,363.11/x
  3. Step 3: Cross multiply
    169,722.62x = 254,583.90 × 43,363.11
  4. Step 4: Simplify right side
    169,722.62x = 11,039,550,614.62
  5. Step 5: Solve for x
    x = 11,039,550,614.62/169,722.62
  6. Step 6: Final answer
    x = 65,044.66

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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.