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Finding the Fourth Proportional to 79,850.52, 119,168.64 and 70,993.26

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Solution

The fourth proportional to 79,850.52, 119,168.64 and 70,993.26 is: 105,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,850.52 : 119,168.64 = 70,993.26 : x
  2. Step 2: Convert to fraction form
    79,850.52/119,168.64 = 70,993.26/x
  3. Step 3: Cross multiply
    79,850.52x = 119,168.64 × 70,993.26
  4. Step 4: Simplify right side
    79,850.52x = 8,460,170,243.37
  5. Step 5: Solve for x
    x = 8,460,170,243.37/79,850.52
  6. Step 6: Final answer
    x = 105,950.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.