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Finding the Fourth Proportional to 163,285.62, 245,026.53 and 69,791.37

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Solution

The fourth proportional to 163,285.62, 245,026.53 and 69,791.37 is: 104,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,285.62 : 245,026.53 = 69,791.37 : x
  2. Step 2: Convert to fraction form
    163,285.62/245,026.53 = 69,791.37/x
  3. Step 3: Cross multiply
    163,285.62x = 245,026.53 × 69,791.37
  4. Step 4: Simplify right side
    163,285.62x = 17,100,737,215.05
  5. Step 5: Solve for x
    x = 17,100,737,215.05/163,285.62
  6. Step 6: Final answer
    x = 104,728.98

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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.