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Finding the Fourth Proportional to 172,039.58, 258,060.24 and 53,701

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Solution

The fourth proportional to 172,039.58, 258,060.24 and 53,701 is: 80,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,039.58 : 258,060.24 = 53,701 : x
  2. Step 2: Convert to fraction form
    172,039.58/258,060.24 = 53,701/x
  3. Step 3: Cross multiply
    172,039.58x = 258,060.24 × 53,701
  4. Step 4: Simplify right side
    172,039.58x = 13,858,092,948.24
  5. Step 5: Solve for x
    x = 13,858,092,948.24/172,039.58
  6. Step 6: Final answer
    x = 80,551.77

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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.