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Finding the Fourth Proportional to 350,245.91, 525,128.90 and 125,601.53

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Solution

The fourth proportional to 350,245.91, 525,128.90 and 125,601.53 is: 188,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,245.91 : 525,128.90 = 125,601.53 : x
  2. Step 2: Convert to fraction form
    350,245.91/525,128.90 = 125,601.53/x
  3. Step 3: Cross multiply
    350,245.91x = 525,128.90 × 125,601.53
  4. Step 4: Simplify right side
    350,245.91x = 65,956,990,033.56
  5. Step 5: Solve for x
    x = 65,956,990,033.56/350,245.91
  6. Step 6: Final answer
    x = 188,316.23

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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.