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Finding the Fourth Proportional to 70,745.94, 106,132.68 and 23,359.05

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Solution

The fourth proportional to 70,745.94, 106,132.68 and 23,359.05 is: 35,043.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,745.94 : 106,132.68 = 23,359.05 : x
  2. Step 2: Convert to fraction form
    70,745.94/106,132.68 = 23,359.05/x
  3. Step 3: Cross multiply
    70,745.94x = 106,132.68 × 23,359.05
  4. Step 4: Simplify right side
    70,745.94x = 2,479,158,578.75
  5. Step 5: Solve for x
    x = 2,479,158,578.75/70,745.94
  6. Step 6: Final answer
    x = 35,043.12

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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.