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Finding the Fourth Proportional to 70,246.45, 96,940.07 and 38,415.37

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Solution

The fourth proportional to 70,246.45, 96,940.07 and 38,415.37 is: 53,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.45 : 96,940.07 = 38,415.37 : x
  2. Step 2: Convert to fraction form
    70,246.45/96,940.07 = 38,415.37/x
  3. Step 3: Cross multiply
    70,246.45x = 96,940.07 × 38,415.37
  4. Step 4: Simplify right side
    70,246.45x = 3,723,987,980.10
  5. Step 5: Solve for x
    x = 3,723,987,980.10/70,246.45
  6. Step 6: Final answer
    x = 53,013.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.