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Finding the Fourth Proportional to 115,702.26, 173,571.87 and 35,721.42

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Solution

The fourth proportional to 115,702.26, 173,571.87 and 35,721.42 is: 53,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,702.26 : 173,571.87 = 35,721.42 : x
  2. Step 2: Convert to fraction form
    115,702.26/173,571.87 = 35,721.42/x
  3. Step 3: Cross multiply
    115,702.26x = 173,571.87 × 35,721.42
  4. Step 4: Simplify right side
    115,702.26x = 6,200,233,668.46
  5. Step 5: Solve for x
    x = 6,200,233,668.46/115,702.26
  6. Step 6: Final answer
    x = 53,587.84

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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.