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Finding the Fourth Proportional to 231,362.72, 346,730.52 and 104,845.04

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Solution

The fourth proportional to 231,362.72, 346,730.52 and 104,845.04 is: 157,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,362.72 : 346,730.52 = 104,845.04 : x
  2. Step 2: Convert to fraction form
    231,362.72/346,730.52 = 104,845.04/x
  3. Step 3: Cross multiply
    231,362.72x = 346,730.52 × 104,845.04
  4. Step 4: Simplify right side
    231,362.72x = 36,352,975,238.62
  5. Step 5: Solve for x
    x = 36,352,975,238.62/231,362.72
  6. Step 6: Final answer
    x = 157,125.47

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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.