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Finding the Fourth Proportional to 171,092.35, 256,710.21 and 76,257.19

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Solution

The fourth proportional to 171,092.35, 256,710.21 and 76,257.19 is: 114,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,092.35 : 256,710.21 = 76,257.19 : x
  2. Step 2: Convert to fraction form
    171,092.35/256,710.21 = 76,257.19/x
  3. Step 3: Cross multiply
    171,092.35x = 256,710.21 × 76,257.19
  4. Step 4: Simplify right side
    171,092.35x = 19,575,999,258.91
  5. Step 5: Solve for x
    x = 19,575,999,258.91/171,092.35
  6. Step 6: Final answer
    x = 114,417.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.