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Finding the Fourth Proportional to 251,049.79, 376,574.61 and 73,556.75

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Solution

The fourth proportional to 251,049.79, 376,574.61 and 73,556.75 is: 110,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.79 : 376,574.61 = 73,556.75 : x
  2. Step 2: Convert to fraction form
    251,049.79/376,574.61 = 73,556.75/x
  3. Step 3: Cross multiply
    251,049.79x = 376,574.61 × 73,556.75
  4. Step 4: Simplify right side
    251,049.79x = 27,699,604,444.12
  5. Step 5: Solve for x
    x = 27,699,604,444.12/251,049.79
  6. Step 6: Final answer
    x = 110,335.10

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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.