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Finding the Fourth Proportional to 230,927.88, 346,401.54 and 73,152.84

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Solution

The fourth proportional to 230,927.88, 346,401.54 and 73,152.84 is: 109,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,927.88 : 346,401.54 = 73,152.84 : x
  2. Step 2: Convert to fraction form
    230,927.88/346,401.54 = 73,152.84/x
  3. Step 3: Cross multiply
    230,927.88x = 346,401.54 × 73,152.84
  4. Step 4: Simplify right side
    230,927.88x = 25,340,256,431.37
  5. Step 5: Solve for x
    x = 25,340,256,431.37/230,927.88
  6. Step 6: Final answer
    x = 109,732.34

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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.