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Finding the Fourth Proportional to 171,058.62, 256,598.46 and 65,877.96

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Solution

The fourth proportional to 171,058.62, 256,598.46 and 65,877.96 is: 98,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,058.62 : 256,598.46 = 65,877.96 : x
  2. Step 2: Convert to fraction form
    171,058.62/256,598.46 = 65,877.96/x
  3. Step 3: Cross multiply
    171,058.62x = 256,598.46 × 65,877.96
  4. Step 4: Simplify right side
    171,058.62x = 16,904,183,083.94
  5. Step 5: Solve for x
    x = 16,904,183,083.94/171,058.62
  6. Step 6: Final answer
    x = 98,821.00

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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.