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Finding the Fourth Proportional to 170,998.48, 256,525.30 and 52,669.78

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Solution

The fourth proportional to 170,998.48, 256,525.30 and 52,669.78 is: 79,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,998.48 : 256,525.30 = 52,669.78 : x
  2. Step 2: Convert to fraction form
    170,998.48/256,525.30 = 52,669.78/x
  3. Step 3: Cross multiply
    170,998.48x = 256,525.30 × 52,669.78
  4. Step 4: Simplify right side
    170,998.48x = 13,511,131,115.43
  5. Step 5: Solve for x
    x = 13,511,131,115.43/170,998.48
  6. Step 6: Final answer
    x = 79,013.17

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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.