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Finding the Fourth Proportional to 69,460.39, 104,076.68 and 29,447.40

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Solution

The fourth proportional to 69,460.39, 104,076.68 and 29,447.40 is: 44,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.39 : 104,076.68 = 29,447.40 : x
  2. Step 2: Convert to fraction form
    69,460.39/104,076.68 = 29,447.40/x
  3. Step 3: Cross multiply
    69,460.39x = 104,076.68 × 29,447.40
  4. Step 4: Simplify right side
    69,460.39x = 3,064,788,035.32
  5. Step 5: Solve for x
    x = 3,064,788,035.32/69,460.39
  6. Step 6: Final answer
    x = 44,122.82

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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.