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Finding the Fourth Proportional to 170,900.80, 256,405.96 and 119,662.84

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Solution

The fourth proportional to 170,900.80, 256,405.96 and 119,662.84 is: 179,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,900.80 : 256,405.96 = 119,662.84 : x
  2. Step 2: Convert to fraction form
    170,900.80/256,405.96 = 119,662.84/x
  3. Step 3: Cross multiply
    170,900.80x = 256,405.96 × 119,662.84
  4. Step 4: Simplify right side
    170,900.80x = 30,682,264,853.74
  5. Step 5: Solve for x
    x = 30,682,264,853.74/170,900.80
  6. Step 6: Final answer
    x = 179,532.60

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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.