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Finding the Fourth Proportional to 73,030.68, 109,531.44 and 23,102.28

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Solution

The fourth proportional to 73,030.68, 109,531.44 and 23,102.28 is: 34,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,030.68 : 109,531.44 = 23,102.28 : x
  2. Step 2: Convert to fraction form
    73,030.68/109,531.44 = 23,102.28/x
  3. Step 3: Cross multiply
    73,030.68x = 109,531.44 × 23,102.28
  4. Step 4: Simplify right side
    73,030.68x = 2,530,425,995.68
  5. Step 5: Solve for x
    x = 2,530,425,995.68/73,030.68
  6. Step 6: Final answer
    x = 34,648.81

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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.