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Finding the Fourth Proportional to 223,061.22, 334,634.72 and 89,954.96

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Solution

The fourth proportional to 223,061.22, 334,634.72 and 89,954.96 is: 134,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,061.22 : 334,634.72 = 89,954.96 : x
  2. Step 2: Convert to fraction form
    223,061.22/334,634.72 = 89,954.96/x
  3. Step 3: Cross multiply
    223,061.22x = 334,634.72 × 89,954.96
  4. Step 4: Simplify right side
    223,061.22x = 30,102,050,729.26
  5. Step 5: Solve for x
    x = 30,102,050,729.26/223,061.22
  6. Step 6: Final answer
    x = 134,949.73

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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.