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Finding the Fourth Proportional to 171,231.40, 256,866.30 and 52,901.80

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Solution

The fourth proportional to 171,231.40, 256,866.30 and 52,901.80 is: 79,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,231.40 : 256,866.30 = 52,901.80 : x
  2. Step 2: Convert to fraction form
    171,231.40/256,866.30 = 52,901.80/x
  3. Step 3: Cross multiply
    171,231.40x = 256,866.30 × 52,901.80
  4. Step 4: Simplify right side
    171,231.40x = 13,588,689,629.34
  5. Step 5: Solve for x
    x = 13,588,689,629.34/171,231.40
  6. Step 6: Final answer
    x = 79,358.63

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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.