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Finding the Fourth Proportional to 223,856.16, 335,820.72 and 66,100.56

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Solution

The fourth proportional to 223,856.16, 335,820.72 and 66,100.56 is: 99,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,856.16 : 335,820.72 = 66,100.56 : x
  2. Step 2: Convert to fraction form
    223,856.16/335,820.72 = 66,100.56/x
  3. Step 3: Cross multiply
    223,856.16x = 335,820.72 × 66,100.56
  4. Step 4: Simplify right side
    223,856.16x = 22,197,937,651.60
  5. Step 5: Solve for x
    x = 22,197,937,651.60/223,856.16
  6. Step 6: Final answer
    x = 99,161.61

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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.