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Finding the Fourth Proportional to 164,092.80, 246,139.20 and 39,433.80

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Solution

The fourth proportional to 164,092.80, 246,139.20 and 39,433.80 is: 59,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,092.80 : 246,139.20 = 39,433.80 : x
  2. Step 2: Convert to fraction form
    164,092.80/246,139.20 = 39,433.80/x
  3. Step 3: Cross multiply
    164,092.80x = 246,139.20 × 39,433.80
  4. Step 4: Simplify right side
    164,092.80x = 9,706,203,984.96
  5. Step 5: Solve for x
    x = 9,706,203,984.96/164,092.80
  6. Step 6: Final answer
    x = 59,150.70

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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.