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Finding the Fourth Proportional to 104,859.80, 157,311.54 and 34,744.60

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Solution

The fourth proportional to 104,859.80, 157,311.54 and 34,744.60 is: 52,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859.80 : 157,311.54 = 34,744.60 : x
  2. Step 2: Convert to fraction form
    104,859.80/157,311.54 = 34,744.60/x
  3. Step 3: Cross multiply
    104,859.80x = 157,311.54 × 34,744.60
  4. Step 4: Simplify right side
    104,859.80x = 5,465,726,532.68
  5. Step 5: Solve for x
    x = 5,465,726,532.68/104,859.80
  6. Step 6: Final answer
    x = 52,124.14

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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.