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Finding the Fourth Proportional to 251,381.54, 377,072.40 and 73,888.58

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Solution

The fourth proportional to 251,381.54, 377,072.40 and 73,888.58 is: 110,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,381.54 : 377,072.40 = 73,888.58 : x
  2. Step 2: Convert to fraction form
    251,381.54/377,072.40 = 73,888.58/x
  3. Step 3: Cross multiply
    251,381.54x = 377,072.40 × 73,888.58
  4. Step 4: Simplify right side
    251,381.54x = 27,861,344,193.19
  5. Step 5: Solve for x
    x = 27,861,344,193.19/251,381.54
  6. Step 6: Final answer
    x = 110,832.90

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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.