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Finding the Fourth Proportional to 231,277.05, 346,970.79 and 73,505.79

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Solution

The fourth proportional to 231,277.05, 346,970.79 and 73,505.79 is: 110,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,277.05 : 346,970.79 = 73,505.79 : x
  2. Step 2: Convert to fraction form
    231,277.05/346,970.79 = 73,505.79/x
  3. Step 3: Cross multiply
    231,277.05x = 346,970.79 × 73,505.79
  4. Step 4: Simplify right side
    231,277.05x = 25,504,362,025.87
  5. Step 5: Solve for x
    x = 25,504,362,025.87/231,277.05
  6. Step 6: Final answer
    x = 110,276.23

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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.