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Finding the Fourth Proportional to 169,474.47, 254,213.21 and 43,114.87

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Solution

The fourth proportional to 169,474.47, 254,213.21 and 43,114.87 is: 64,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,474.47 : 254,213.21 = 43,114.87 : x
  2. Step 2: Convert to fraction form
    169,474.47/254,213.21 = 43,114.87/x
  3. Step 3: Cross multiply
    169,474.47x = 254,213.21 × 43,114.87
  4. Step 4: Simplify right side
    169,474.47x = 10,960,369,501.43
  5. Step 5: Solve for x
    x = 10,960,369,501.43/169,474.47
  6. Step 6: Final answer
    x = 64,672.69

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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.