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Finding the Fourth Proportional to 170,957.82, 256,207.50 and 133,052.86

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Solution

The fourth proportional to 170,957.82, 256,207.50 and 133,052.86 is: 199,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,957.82 : 256,207.50 = 133,052.86 : x
  2. Step 2: Convert to fraction form
    170,957.82/256,207.50 = 133,052.86/x
  3. Step 3: Cross multiply
    170,957.82x = 256,207.50 × 133,052.86
  4. Step 4: Simplify right side
    170,957.82x = 34,089,140,486.88
  5. Step 5: Solve for x
    x = 34,089,140,486.88/170,957.82
  6. Step 6: Final answer
    x = 199,400.88

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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.