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Finding the Fourth Proportional to 231,656.70, 347,485.05 and 73,901.10

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Solution

The fourth proportional to 231,656.70, 347,485.05 and 73,901.10 is: 110,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,656.70 : 347,485.05 = 73,901.10 : x
  2. Step 2: Convert to fraction form
    231,656.70/347,485.05 = 73,901.10/x
  3. Step 3: Cross multiply
    231,656.70x = 347,485.05 × 73,901.10
  4. Step 4: Simplify right side
    231,656.70x = 25,679,527,428.56
  5. Step 5: Solve for x
    x = 25,679,527,428.56/231,656.70
  6. Step 6: Final answer
    x = 110,851.65

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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.