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Finding the Fourth Proportional to 195,761.40, 293,642.10 and 171,655.80

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Solution

The fourth proportional to 195,761.40, 293,642.10 and 171,655.80 is: 257,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,761.40 : 293,642.10 = 171,655.80 : x
  2. Step 2: Convert to fraction form
    195,761.40/293,642.10 = 171,655.80/x
  3. Step 3: Cross multiply
    195,761.40x = 293,642.10 × 171,655.80
  4. Step 4: Simplify right side
    195,761.40x = 50,405,369,589.18
  5. Step 5: Solve for x
    x = 50,405,369,589.18/195,761.40
  6. Step 6: Final answer
    x = 257,483.70

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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.