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Finding the Fourth Proportional to 170,797.55, 256,205.65 and 70,967.84

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Solution

The fourth proportional to 170,797.55, 256,205.65 and 70,967.84 is: 106,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,797.55 : 256,205.65 = 70,967.84 : x
  2. Step 2: Convert to fraction form
    170,797.55/256,205.65 = 70,967.84/x
  3. Step 3: Cross multiply
    170,797.55x = 256,205.65 × 70,967.84
  4. Step 4: Simplify right side
    170,797.55x = 18,182,361,576.30
  5. Step 5: Solve for x
    x = 18,182,361,576.30/170,797.55
  6. Step 6: Final answer
    x = 106,455.63

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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.