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Finding the Fourth Proportional to 223,761.24, 335,642.76 and 90,644.02

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Solution

The fourth proportional to 223,761.24, 335,642.76 and 90,644.02 is: 135,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,761.24 : 335,642.76 = 90,644.02 : x
  2. Step 2: Convert to fraction form
    223,761.24/335,642.76 = 90,644.02/x
  3. Step 3: Cross multiply
    223,761.24x = 335,642.76 × 90,644.02
  4. Step 4: Simplify right side
    223,761.24x = 30,424,009,050.30
  5. Step 5: Solve for x
    x = 30,424,009,050.30/223,761.24
  6. Step 6: Final answer
    x = 135,966.39

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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.