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Finding the Fourth Proportional to 190,755.72, 263,290.77 and 110,230.11

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Solution

The fourth proportional to 190,755.72, 263,290.77 and 110,230.11 is: 152,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,755.72 : 263,290.77 = 110,230.11 : x
  2. Step 2: Convert to fraction form
    190,755.72/263,290.77 = 110,230.11/x
  3. Step 3: Cross multiply
    190,755.72x = 263,290.77 × 110,230.11
  4. Step 4: Simplify right side
    190,755.72x = 29,022,570,539.08
  5. Step 5: Solve for x
    x = 29,022,570,539.08/190,755.72
  6. Step 6: Final answer
    x = 152,145.22

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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.