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Finding the Fourth Proportional to 73,246.90, 109,879.02 and 23,309.50

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Solution

The fourth proportional to 73,246.90, 109,879.02 and 23,309.50 is: 34,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246.90 : 109,879.02 = 23,309.50 : x
  2. Step 2: Convert to fraction form
    73,246.90/109,879.02 = 23,309.50/x
  3. Step 3: Cross multiply
    73,246.90x = 109,879.02 × 23,309.50
  4. Step 4: Simplify right side
    73,246.90x = 2,561,225,016.69
  5. Step 5: Solve for x
    x = 2,561,225,016.69/73,246.90
  6. Step 6: Final answer
    x = 34,967.01

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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.