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Finding the Fourth Proportional to 175,755.68, 263,020.88 and 143,796.32

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Solution

The fourth proportional to 175,755.68, 263,020.88 and 143,796.32 is: 215,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,755.68 : 263,020.88 = 143,796.32 : x
  2. Step 2: Convert to fraction form
    175,755.68/263,020.88 = 143,796.32/x
  3. Step 3: Cross multiply
    175,755.68x = 263,020.88 × 143,796.32
  4. Step 4: Simplify right side
    175,755.68x = 37,821,434,627.16
  5. Step 5: Solve for x
    x = 37,821,434,627.16/175,755.68
  6. Step 6: Final answer
    x = 215,193.24

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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.