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Finding the Fourth Proportional to 106,048.68, 159,073.05 and 49,847.52

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Solution

The fourth proportional to 106,048.68, 159,073.05 and 49,847.52 is: 74,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,048.68 : 159,073.05 = 49,847.52 : x
  2. Step 2: Convert to fraction form
    106,048.68/159,073.05 = 49,847.52/x
  3. Step 3: Cross multiply
    106,048.68x = 159,073.05 × 49,847.52
  4. Step 4: Simplify right side
    106,048.68x = 7,929,397,041.34
  5. Step 5: Solve for x
    x = 7,929,397,041.34/106,048.68
  6. Step 6: Final answer
    x = 74,771.29

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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.