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Finding the Fourth Proportional to 171,231.90, 256,913.45 and 64,608.36

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Solution

The fourth proportional to 171,231.90, 256,913.45 and 64,608.36 is: 96,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,231.90 : 256,913.45 = 64,608.36 : x
  2. Step 2: Convert to fraction form
    171,231.90/256,913.45 = 64,608.36/x
  3. Step 3: Cross multiply
    171,231.90x = 256,913.45 × 64,608.36
  4. Step 4: Simplify right side
    171,231.90x = 16,598,756,666.44
  5. Step 5: Solve for x
    x = 16,598,756,666.44/171,231.90
  6. Step 6: Final answer
    x = 96,937.29

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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.