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Finding the Fourth Proportional to 251,523.27, 377,243.90 and 73,988.76

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Solution

The fourth proportional to 251,523.27, 377,243.90 and 73,988.76 is: 110,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,523.27 : 377,243.90 = 73,988.76 : x
  2. Step 2: Convert to fraction form
    251,523.27/377,243.90 = 73,988.76/x
  3. Step 3: Cross multiply
    251,523.27x = 377,243.90 × 73,988.76
  4. Step 4: Simplify right side
    251,523.27x = 27,911,808,378.56
  5. Step 5: Solve for x
    x = 27,911,808,378.56/251,523.27
  6. Step 6: Final answer
    x = 110,971.08

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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.