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Finding the Fourth Proportional to 69,773.00, 96,289.27 and 39,970.76

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Solution

The fourth proportional to 69,773.00, 96,289.27 and 39,970.76 is: 55,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.00 : 96,289.27 = 39,970.76 : x
  2. Step 2: Convert to fraction form
    69,773.00/96,289.27 = 39,970.76/x
  3. Step 3: Cross multiply
    69,773.00x = 96,289.27 × 39,970.76
  4. Step 4: Simplify right side
    69,773.00x = 3,848,754,720.37
  5. Step 5: Solve for x
    x = 3,848,754,720.37/69,773.00
  6. Step 6: Final answer
    x = 55,161.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.