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Finding the Fourth Proportional to 171,611.71, 236,812.22 and 95,130.07

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Solution

The fourth proportional to 171,611.71, 236,812.22 and 95,130.07 is: 131,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,611.71 : 236,812.22 = 95,130.07 : x
  2. Step 2: Convert to fraction form
    171,611.71/236,812.22 = 95,130.07/x
  3. Step 3: Cross multiply
    171,611.71x = 236,812.22 × 95,130.07
  4. Step 4: Simplify right side
    171,611.71x = 22,527,962,589.81
  5. Step 5: Solve for x
    x = 22,527,962,589.81/171,611.71
  6. Step 6: Final answer
    x = 131,272.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.