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Finding the Fourth Proportional to 223,762.25, 335,644.27 and 90,645.02

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Solution

The fourth proportional to 223,762.25, 335,644.27 and 90,645.02 is: 135,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,762.25 : 335,644.27 = 90,645.02 : x
  2. Step 2: Convert to fraction form
    223,762.25/335,644.27 = 90,645.02/x
  3. Step 3: Cross multiply
    223,762.25x = 335,644.27 × 90,645.02
  4. Step 4: Simplify right side
    223,762.25x = 30,424,481,567.04
  5. Step 5: Solve for x
    x = 30,424,481,567.04/223,762.25
  6. Step 6: Final answer
    x = 135,967.90

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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.