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Finding the Fourth Proportional to 190,063.71, 285,149.43 and 95,179.41

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Solution

The fourth proportional to 190,063.71, 285,149.43 and 95,179.41 is: 142,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,063.71 : 285,149.43 = 95,179.41 : x
  2. Step 2: Convert to fraction form
    190,063.71/285,149.43 = 95,179.41/x
  3. Step 3: Cross multiply
    190,063.71x = 285,149.43 × 95,179.41
  4. Step 4: Simplify right side
    190,063.71x = 27,140,354,509.24
  5. Step 5: Solve for x
    x = 27,140,354,509.24/190,063.71
  6. Step 6: Final answer
    x = 142,796.09

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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.