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Finding the Fourth Proportional to 174,805.62, 262,208.58 and 74,901

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Solution

The fourth proportional to 174,805.62, 262,208.58 and 74,901 is: 112,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,805.62 : 262,208.58 = 74,901 : x
  2. Step 2: Convert to fraction form
    174,805.62/262,208.58 = 74,901/x
  3. Step 3: Cross multiply
    174,805.62x = 262,208.58 × 74,901
  4. Step 4: Simplify right side
    174,805.62x = 19,639,684,850.58
  5. Step 5: Solve for x
    x = 19,639,684,850.58/174,805.62
  6. Step 6: Final answer
    x = 112,351.56

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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.