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Finding the Fourth Proportional to 68,147.40, 94,043.40 and 37,932.07

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Solution

The fourth proportional to 68,147.40, 94,043.40 and 37,932.07 is: 52,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,147.40 : 94,043.40 = 37,932.07 : x
  2. Step 2: Convert to fraction form
    68,147.40/94,043.40 = 37,932.07/x
  3. Step 3: Cross multiply
    68,147.40x = 94,043.40 × 37,932.07
  4. Step 4: Simplify right side
    68,147.40x = 3,567,260,831.84
  5. Step 5: Solve for x
    x = 3,567,260,831.84/68,147.40
  6. Step 6: Final answer
    x = 52,346.25

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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.