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Finding the Fourth Proportional to 184,040.20, 276,092.70 and 65,780.20

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Solution

The fourth proportional to 184,040.20, 276,092.70 and 65,780.20 is: 98,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,040.20 : 276,092.70 = 65,780.20 : x
  2. Step 2: Convert to fraction form
    184,040.20/276,092.70 = 65,780.20/x
  3. Step 3: Cross multiply
    184,040.20x = 276,092.70 × 65,780.20
  4. Step 4: Simplify right side
    184,040.20x = 18,161,433,024.54
  5. Step 5: Solve for x
    x = 18,161,433,024.54/184,040.20
  6. Step 6: Final answer
    x = 98,681.88

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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.