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Finding the Fourth Proportional to 96,798.88, 145,203.78 and 34,469.38

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Solution

The fourth proportional to 96,798.88, 145,203.78 and 34,469.38 is: 51,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,798.88 : 145,203.78 = 34,469.38 : x
  2. Step 2: Convert to fraction form
    96,798.88/145,203.78 = 34,469.38/x
  3. Step 3: Cross multiply
    96,798.88x = 145,203.78 × 34,469.38
  4. Step 4: Simplify right side
    96,798.88x = 5,005,084,270.26
  5. Step 5: Solve for x
    x = 5,005,084,270.26/96,798.88
  6. Step 6: Final answer
    x = 51,706.01

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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.