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Finding the Fourth Proportional to 171,704.10, 256,827.15 and 154,062.30

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Solution

The fourth proportional to 171,704.10, 256,827.15 and 154,062.30 is: 230,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,704.10 : 256,827.15 = 154,062.30 : x
  2. Step 2: Convert to fraction form
    171,704.10/256,827.15 = 154,062.30/x
  3. Step 3: Cross multiply
    171,704.10x = 256,827.15 × 154,062.30
  4. Step 4: Simplify right side
    171,704.10x = 39,567,381,431.45
  5. Step 5: Solve for x
    x = 39,567,381,431.45/171,704.10
  6. Step 6: Final answer
    x = 230,439.35

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1.5x scale

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.