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Finding the Fourth Proportional to 70,504.11, 105,662.21 and 37,216.35

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Solution

The fourth proportional to 70,504.11, 105,662.21 and 37,216.35 is: 55,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.11 : 105,662.21 = 37,216.35 : x
  2. Step 2: Convert to fraction form
    70,504.11/105,662.21 = 37,216.35/x
  3. Step 3: Cross multiply
    70,504.11x = 105,662.21 × 37,216.35
  4. Step 4: Simplify right side
    70,504.11x = 3,932,361,603.05
  5. Step 5: Solve for x
    x = 3,932,361,603.05/70,504.11
  6. Step 6: Final answer
    x = 55,774.93

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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.