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Finding the Fourth Proportional to 223,806.66, 335,742.78 and 66,014.58

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Solution

The fourth proportional to 223,806.66, 335,742.78 and 66,014.58 is: 99,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,806.66 : 335,742.78 = 66,014.58 : x
  2. Step 2: Convert to fraction form
    223,806.66/335,742.78 = 66,014.58/x
  3. Step 3: Cross multiply
    223,806.66x = 335,742.78 × 66,014.58
  4. Step 4: Simplify right side
    223,806.66x = 22,163,918,609.73
  5. Step 5: Solve for x
    x = 22,163,918,609.73/223,806.66
  6. Step 6: Final answer
    x = 99,031.54

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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.