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Finding the Fourth Proportional to 250,033.52, 374,983.65 and 70,109.03

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Solution

The fourth proportional to 250,033.52, 374,983.65 and 70,109.03 is: 105,144.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033.52 : 374,983.65 = 70,109.03 : x
  2. Step 2: Convert to fraction form
    250,033.52/374,983.65 = 70,109.03/x
  3. Step 3: Cross multiply
    250,033.52x = 374,983.65 × 70,109.03
  4. Step 4: Simplify right side
    250,033.52x = 26,289,738,092.44
  5. Step 5: Solve for x
    x = 26,289,738,092.44/250,033.52
  6. Step 6: Final answer
    x = 105,144.86

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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.