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Finding the Fourth Proportional to 171,085.20, 256,044.60 and 171,085.20

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Solution

The fourth proportional to 171,085.20, 256,044.60 and 171,085.20 is: 256,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,085.20 : 256,044.60 = 171,085.20 : x
  2. Step 2: Convert to fraction form
    171,085.20/256,044.60 = 171,085.20/x
  3. Step 3: Cross multiply
    171,085.20x = 256,044.60 × 171,085.20
  4. Step 4: Simplify right side
    171,085.20x = 43,805,441,599.92
  5. Step 5: Solve for x
    x = 43,805,441,599.92/171,085.20
  6. Step 6: Final answer
    x = 256,044.60

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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.