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Finding the Fourth Proportional to 171,952.47, 257,863.23 and 66,746.97

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Solution

The fourth proportional to 171,952.47, 257,863.23 and 66,746.97 is: 100,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,952.47 : 257,863.23 = 66,746.97 : x
  2. Step 2: Convert to fraction form
    171,952.47/257,863.23 = 66,746.97/x
  3. Step 3: Cross multiply
    171,952.47x = 257,863.23 × 66,746.97
  4. Step 4: Simplify right side
    171,952.47x = 17,211,589,276.91
  5. Step 5: Solve for x
    x = 17,211,589,276.91/171,952.47
  6. Step 6: Final answer
    x = 100,095.04

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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.