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Finding the Fourth Proportional to 174,619.91, 261,710.84 and 74,662.77

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Solution

The fourth proportional to 174,619.91, 261,710.84 and 74,662.77 is: 111,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,619.91 : 261,710.84 = 74,662.77 : x
  2. Step 2: Convert to fraction form
    174,619.91/261,710.84 = 74,662.77/x
  3. Step 3: Cross multiply
    174,619.91x = 261,710.84 × 74,662.77
  4. Step 4: Simplify right side
    174,619.91x = 19,540,055,880.11
  5. Step 5: Solve for x
    x = 19,540,055,880.11/174,619.91
  6. Step 6: Final answer
    x = 111,900.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.