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Finding the Fourth Proportional to 139,466.67, 192,464.27 and 75,804.31

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Solution

The fourth proportional to 139,466.67, 192,464.27 and 75,804.31 is: 104,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,466.67 : 192,464.27 = 75,804.31 : x
  2. Step 2: Convert to fraction form
    139,466.67/192,464.27 = 75,804.31/x
  3. Step 3: Cross multiply
    139,466.67x = 192,464.27 × 75,804.31
  4. Step 4: Simplify right side
    139,466.67x = 14,589,621,187.00
  5. Step 5: Solve for x
    x = 14,589,621,187.00/139,466.67
  6. Step 6: Final answer
    x = 104,610.09

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1.5x scale

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.