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Finding the Fourth Proportional to 190,765, 285,906.30 and 167,014.36

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Solution

The fourth proportional to 190,765, 285,906.30 and 167,014.36 is: 250,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,765 : 285,906.30 = 167,014.36 : x
  2. Step 2: Convert to fraction form
    190,765/285,906.30 = 167,014.36/x
  3. Step 3: Cross multiply
    190,765x = 285,906.30 × 167,014.36
  4. Step 4: Simplify right side
    190,765x = 47,750,457,714.47
  5. Step 5: Solve for x
    x = 47,750,457,714.47/190,765
  6. Step 6: Final answer
    x = 250,310.37

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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.