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Finding the Fourth Proportional to 172,768.68, 259,148.16 and 94,379.31

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Solution

The fourth proportional to 172,768.68, 259,148.16 and 94,379.31 is: 141,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,768.68 : 259,148.16 = 94,379.31 : x
  2. Step 2: Convert to fraction form
    172,768.68/259,148.16 = 94,379.31/x
  3. Step 3: Cross multiply
    172,768.68x = 259,148.16 × 94,379.31
  4. Step 4: Simplify right side
    172,768.68x = 24,458,224,528.57
  5. Step 5: Solve for x
    x = 24,458,224,528.57/172,768.68
  6. Step 6: Final answer
    x = 141,566.31

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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.