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Finding the Fourth Proportional to 170,821.60, 255,843.60 and 166,933.60

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Solution

The fourth proportional to 170,821.60, 255,843.60 and 166,933.60 is: 250,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821.60 : 255,843.60 = 166,933.60 : x
  2. Step 2: Convert to fraction form
    170,821.60/255,843.60 = 166,933.60/x
  3. Step 3: Cross multiply
    170,821.60x = 255,843.60 × 166,933.60
  4. Step 4: Simplify right side
    170,821.60x = 42,708,893,184.96
  5. Step 5: Solve for x
    x = 42,708,893,184.96/170,821.60
  6. Step 6: Final answer
    x = 250,020.45

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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.