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Finding the Fourth Proportional to 170,157.12, 255,169.44 and 70,333.44

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Solution

The fourth proportional to 170,157.12, 255,169.44 and 70,333.44 is: 105,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,157.12 : 255,169.44 = 70,333.44 : x
  2. Step 2: Convert to fraction form
    170,157.12/255,169.44 = 70,333.44/x
  3. Step 3: Cross multiply
    170,157.12x = 255,169.44 × 70,333.44
  4. Step 4: Simplify right side
    170,157.12x = 17,946,944,498.07
  5. Step 5: Solve for x
    x = 17,946,944,498.07/170,157.12
  6. Step 6: Final answer
    x = 105,472.78

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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.