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Finding the Fourth Proportional to 171,118.73, 256,695.69 and 64,592.42

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Solution

The fourth proportional to 171,118.73, 256,695.69 and 64,592.42 is: 96,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,118.73 : 256,695.69 = 64,592.42 : x
  2. Step 2: Convert to fraction form
    171,118.73/256,695.69 = 64,592.42/x
  3. Step 3: Cross multiply
    171,118.73x = 256,695.69 × 64,592.42
  4. Step 4: Simplify right side
    171,118.73x = 16,580,594,537.19
  5. Step 5: Solve for x
    x = 16,580,594,537.19/171,118.73
  6. Step 6: Final answer
    x = 96,895.27

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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.