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Finding the Fourth Proportional to 195,525.60, 293,644.80 and 171,031.20

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Solution

The fourth proportional to 195,525.60, 293,644.80 and 171,031.20 is: 256,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,525.60 : 293,644.80 = 171,031.20 : x
  2. Step 2: Convert to fraction form
    195,525.60/293,644.80 = 171,031.20/x
  3. Step 3: Cross multiply
    195,525.60x = 293,644.80 × 171,031.20
  4. Step 4: Simplify right side
    195,525.60x = 50,222,422,517.76
  5. Step 5: Solve for x
    x = 50,222,422,517.76/195,525.60
  6. Step 6: Final answer
    x = 256,858.55

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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.