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Finding the Fourth Proportional to 70,801.31, 106,201.98 and 29,249.39

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Solution

The fourth proportional to 70,801.31, 106,201.98 and 29,249.39 is: 43,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.31 : 106,201.98 = 29,249.39 : x
  2. Step 2: Convert to fraction form
    70,801.31/106,201.98 = 29,249.39/x
  3. Step 3: Cross multiply
    70,801.31x = 106,201.98 × 29,249.39
  4. Step 4: Simplify right side
    70,801.31x = 3,106,343,397.30
  5. Step 5: Solve for x
    x = 3,106,343,397.30/70,801.31
  6. Step 6: Final answer
    x = 43,874.09

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1.5x scale

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.