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Finding the Fourth Proportional to 231,440.58, 347,157.24 and 73,666.74

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Solution

The fourth proportional to 231,440.58, 347,157.24 and 73,666.74 is: 110,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,440.58 : 347,157.24 = 73,666.74 : x
  2. Step 2: Convert to fraction form
    231,440.58/347,157.24 = 73,666.74/x
  3. Step 3: Cross multiply
    231,440.58x = 347,157.24 × 73,666.74
  4. Step 4: Simplify right side
    231,440.58x = 25,573,942,138.20
  5. Step 5: Solve for x
    x = 25,573,942,138.20/231,440.58
  6. Step 6: Final answer
    x = 110,498.95

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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.