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Finding the Fourth Proportional to 252,656.82, 348,645.44 and 143,732.18

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Solution

The fourth proportional to 252,656.82, 348,645.44 and 143,732.18 is: 198,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,656.82 : 348,645.44 = 143,732.18 : x
  2. Step 2: Convert to fraction form
    252,656.82/348,645.44 = 143,732.18/x
  3. Step 3: Cross multiply
    252,656.82x = 348,645.44 × 143,732.18
  4. Step 4: Simplify right side
    252,656.82x = 50,111,570,369.20
  5. Step 5: Solve for x
    x = 50,111,570,369.20/252,656.82
  6. Step 6: Final answer
    x = 198,338.48

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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.