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Finding the Fourth Proportional to 172,467.62, 258,744.55 and 169,606.98

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Solution

The fourth proportional to 172,467.62, 258,744.55 and 169,606.98 is: 254,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467.62 : 258,744.55 = 169,606.98 : x
  2. Step 2: Convert to fraction form
    172,467.62/258,744.55 = 169,606.98/x
  3. Step 3: Cross multiply
    172,467.62x = 258,744.55 × 169,606.98
  4. Step 4: Simplify right side
    172,467.62x = 43,884,881,292.94
  5. Step 5: Solve for x
    x = 43,884,881,292.94/172,467.62
  6. Step 6: Final answer
    x = 254,452.87

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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.