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Finding the Fourth Proportional to 223,335.79, 334,931.69 and 73,540.41

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Solution

The fourth proportional to 223,335.79, 334,931.69 and 73,540.41 is: 110,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,335.79 : 334,931.69 = 73,540.41 : x
  2. Step 2: Convert to fraction form
    223,335.79/334,931.69 = 73,540.41/x
  3. Step 3: Cross multiply
    223,335.79x = 334,931.69 × 73,540.41
  4. Step 4: Simplify right side
    223,335.79x = 24,631,014,616.44
  5. Step 5: Solve for x
    x = 24,631,014,616.44/223,335.79
  6. Step 6: Final answer
    x = 110,286.91

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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.