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Finding the Fourth Proportional to 185,937.50, 278,795.34 and 73,633.82

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Solution

The fourth proportional to 185,937.50, 278,795.34 and 73,633.82 is: 110,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,937.50 : 278,795.34 = 73,633.82 : x
  2. Step 2: Convert to fraction form
    185,937.50/278,795.34 = 73,633.82/x
  3. Step 3: Cross multiply
    185,937.50x = 278,795.34 × 73,633.82
  4. Step 4: Simplify right side
    185,937.50x = 20,528,765,882.40
  5. Step 5: Solve for x
    x = 20,528,765,882.40/185,937.50
  6. Step 6: Final answer
    x = 110,406.81

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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.