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Finding the Fourth Proportional to 70,918.52, 106,390.38 and 23,536.44

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Solution

The fourth proportional to 70,918.52, 106,390.38 and 23,536.44 is: 35,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.52 : 106,390.38 = 23,536.44 : x
  2. Step 2: Convert to fraction form
    70,918.52/106,390.38 = 23,536.44/x
  3. Step 3: Cross multiply
    70,918.52x = 106,390.38 × 23,536.44
  4. Step 4: Simplify right side
    70,918.52x = 2,504,050,795.45
  5. Step 5: Solve for x
    x = 2,504,050,795.45/70,918.52
  6. Step 6: Final answer
    x = 35,308.84

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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.