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Finding the Fourth Proportional to 230,052.66, 345,113.82 and 72,266.28

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Solution

The fourth proportional to 230,052.66, 345,113.82 and 72,266.28 is: 108,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,052.66 : 345,113.82 = 72,266.28 : x
  2. Step 2: Convert to fraction form
    230,052.66/345,113.82 = 72,266.28/x
  3. Step 3: Cross multiply
    230,052.66x = 345,113.82 × 72,266.28
  4. Step 4: Simplify right side
    230,052.66x = 24,940,091,947.99
  5. Step 5: Solve for x
    x = 24,940,091,947.99/230,052.66
  6. Step 6: Final answer
    x = 108,410.36

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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.