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Finding the Fourth Proportional to 171,345.62, 256,969.11 and 59,021.30

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Solution

The fourth proportional to 171,345.62, 256,969.11 and 59,021.30 is: 88,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,345.62 : 256,969.11 = 59,021.30 : x
  2. Step 2: Convert to fraction form
    171,345.62/256,969.11 = 59,021.30/x
  3. Step 3: Cross multiply
    171,345.62x = 256,969.11 × 59,021.30
  4. Step 4: Simplify right side
    171,345.62x = 15,166,650,932.04
  5. Step 5: Solve for x
    x = 15,166,650,932.04/171,345.62
  6. Step 6: Final answer
    x = 88,514.96

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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.