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Finding the Fourth Proportional to 171,231.75, 256,848.45 and 60,423.75

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Solution

The fourth proportional to 171,231.75, 256,848.45 and 60,423.75 is: 90,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,231.75 : 256,848.45 = 60,423.75 : x
  2. Step 2: Convert to fraction form
    171,231.75/256,848.45 = 60,423.75/x
  3. Step 3: Cross multiply
    171,231.75x = 256,848.45 × 60,423.75
  4. Step 4: Simplify right side
    171,231.75x = 15,519,746,530.69
  5. Step 5: Solve for x
    x = 15,519,746,530.69/171,231.75
  6. Step 6: Final answer
    x = 90,635.92

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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.