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Finding the Fourth Proportional to 69,130.00, 103,735.25 and 29,146.48

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Solution

The fourth proportional to 69,130.00, 103,735.25 and 29,146.48 is: 43,736.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,130.00 : 103,735.25 = 29,146.48 : x
  2. Step 2: Convert to fraction form
    69,130.00/103,735.25 = 29,146.48/x
  3. Step 3: Cross multiply
    69,130.00x = 103,735.25 × 29,146.48
  4. Step 4: Simplify right side
    69,130.00x = 3,023,516,984.35
  5. Step 5: Solve for x
    x = 3,023,516,984.35/69,130.00
  6. Step 6: Final answer
    x = 43,736.69

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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.