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Finding the Fourth Proportional to 170,863.70, 256,295.55 and 158,422.10

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Solution

The fourth proportional to 170,863.70, 256,295.55 and 158,422.10 is: 237,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,863.70 : 256,295.55 = 158,422.10 : x
  2. Step 2: Convert to fraction form
    170,863.70/256,295.55 = 158,422.10/x
  3. Step 3: Cross multiply
    170,863.70x = 256,295.55 × 158,422.10
  4. Step 4: Simplify right side
    170,863.70x = 40,602,879,251.66
  5. Step 5: Solve for x
    x = 40,602,879,251.66/170,863.70
  6. Step 6: Final answer
    x = 237,633.15

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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.