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Finding the Fourth Proportional to 70,964.51, 106,437.65 and 33,027.35

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Solution

The fourth proportional to 70,964.51, 106,437.65 and 33,027.35 is: 49,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964.51 : 106,437.65 = 33,027.35 : x
  2. Step 2: Convert to fraction form
    70,964.51/106,437.65 = 33,027.35/x
  3. Step 3: Cross multiply
    70,964.51x = 106,437.65 × 33,027.35
  4. Step 4: Simplify right side
    70,964.51x = 3,515,352,822.40
  5. Step 5: Solve for x
    x = 3,515,352,822.40/70,964.51
  6. Step 6: Final answer
    x = 49,536.78

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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.