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Finding the Fourth Proportional to 171,701.10, 256,822.65 and 154,059.30

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Solution

The fourth proportional to 171,701.10, 256,822.65 and 154,059.30 is: 230,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,701.10 : 256,822.65 = 154,059.30 : x
  2. Step 2: Convert to fraction form
    171,701.10/256,822.65 = 154,059.30/x
  3. Step 3: Cross multiply
    171,701.10x = 256,822.65 × 154,059.30
  4. Step 4: Simplify right side
    171,701.10x = 39,565,917,683.15
  5. Step 5: Solve for x
    x = 39,565,917,683.15/171,701.10
  6. Step 6: Final answer
    x = 230,434.85

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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.