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Finding the Fourth Proportional to 64,542,687.81, 96,834,497.81 and 23,042,673.74

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Solution

The fourth proportional to 64,542,687.81, 96,834,497.81 and 23,042,673.74 is: 34,571,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,542,687.81 : 96,834,497.81 = 23,042,673.74 : x
  2. Step 2: Convert to fraction form
    64,542,687.81/96,834,497.81 = 23,042,673.74/x
  3. Step 3: Cross multiply
    64,542,687.81x = 96,834,497.81 × 23,042,673.74
  4. Step 4: Simplify right side
    64,542,687.81x = 2,231,325,739,213,188.75
  5. Step 5: Solve for x
    x = 2,231,325,739,213,188.75/64,542,687.81
  6. Step 6: Final answer
    x = 34,571,317.29

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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.