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Finding the Fourth Proportional to 73,189.41, 109,959.08 and 46,945.41

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Solution

The fourth proportional to 73,189.41, 109,959.08 and 46,945.41 is: 70,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.41 : 109,959.08 = 46,945.41 : x
  2. Step 2: Convert to fraction form
    73,189.41/109,959.08 = 46,945.41/x
  3. Step 3: Cross multiply
    73,189.41x = 109,959.08 × 46,945.41
  4. Step 4: Simplify right side
    73,189.41x = 5,162,073,859.10
  5. Step 5: Solve for x
    x = 5,162,073,859.10/73,189.41
  6. Step 6: Final answer
    x = 70,530.34

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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.