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Finding the Fourth Proportional to 195,672.60, 293,865.30 and 171,178.20

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Solution

The fourth proportional to 195,672.60, 293,865.30 and 171,178.20 is: 257,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,672.60 : 293,865.30 = 171,178.20 : x
  2. Step 2: Convert to fraction form
    195,672.60/293,865.30 = 171,178.20/x
  3. Step 3: Cross multiply
    195,672.60x = 293,865.30 × 171,178.20
  4. Step 4: Simplify right side
    195,672.60x = 50,303,333,096.46
  5. Step 5: Solve for x
    x = 50,303,333,096.46/195,672.60
  6. Step 6: Final answer
    x = 257,079.09

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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.