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Finding the Fourth Proportional to 115,801.92, 173,763.36 and 63,201.60

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Solution

The fourth proportional to 115,801.92, 173,763.36 and 63,201.60 is: 94,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,801.92 : 173,763.36 = 63,201.60 : x
  2. Step 2: Convert to fraction form
    115,801.92/173,763.36 = 63,201.60/x
  3. Step 3: Cross multiply
    115,801.92x = 173,763.36 × 63,201.60
  4. Step 4: Simplify right side
    115,801.92x = 10,982,122,373.38
  5. Step 5: Solve for x
    x = 10,982,122,373.38/115,801.92
  6. Step 6: Final answer
    x = 94,835.41

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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.