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Finding the Fourth Proportional to 223,825.08, 335,701.17 and 90,699.96

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Solution

The fourth proportional to 223,825.08, 335,701.17 and 90,699.96 is: 136,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,825.08 : 335,701.17 = 90,699.96 : x
  2. Step 2: Convert to fraction form
    223,825.08/335,701.17 = 90,699.96/x
  3. Step 3: Cross multiply
    223,825.08x = 335,701.17 × 90,699.96
  4. Step 4: Simplify right side
    223,825.08x = 30,448,082,690.95
  5. Step 5: Solve for x
    x = 30,448,082,690.95/223,825.08
  6. Step 6: Final answer
    x = 136,035.17

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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.