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Finding the Fourth Proportional to 202,051.23, 303,195 and 112,169.63

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Solution

The fourth proportional to 202,051.23, 303,195 and 112,169.63 is: 168,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.23 : 303,195 = 112,169.63 : x
  2. Step 2: Convert to fraction form
    202,051.23/303,195 = 112,169.63/x
  3. Step 3: Cross multiply
    202,051.23x = 303,195 × 112,169.63
  4. Step 4: Simplify right side
    202,051.23x = 34,009,269,451.88
  5. Step 5: Solve for x
    x = 34,009,269,451.88/202,051.23
  6. Step 6: Final answer
    x = 168,320.03

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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.