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Finding the Fourth Proportional to 223,993.08, 335,820.66 and 135,225.48

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Solution

The fourth proportional to 223,993.08, 335,820.66 and 135,225.48 is: 202,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,993.08 : 335,820.66 = 135,225.48 : x
  2. Step 2: Convert to fraction form
    223,993.08/335,820.66 = 135,225.48/x
  3. Step 3: Cross multiply
    223,993.08x = 335,820.66 × 135,225.48
  4. Step 4: Simplify right side
    223,993.08x = 45,411,509,942.42
  5. Step 5: Solve for x
    x = 45,411,509,942.42/223,993.08
  6. Step 6: Final answer
    x = 202,736.22

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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.