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Finding the Fourth Proportional to 171,149.94, 256,333.14 and 104,443.20

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Solution

The fourth proportional to 171,149.94, 256,333.14 and 104,443.20 is: 156,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,149.94 : 256,333.14 = 104,443.20 : x
  2. Step 2: Convert to fraction form
    171,149.94/256,333.14 = 104,443.20/x
  3. Step 3: Cross multiply
    171,149.94x = 256,333.14 × 104,443.20
  4. Step 4: Simplify right side
    171,149.94x = 26,772,253,407.65
  5. Step 5: Solve for x
    x = 26,772,253,407.65/171,149.94
  6. Step 6: Final answer
    x = 156,425.72

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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.