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Finding the Fourth Proportional to 184,548, 276,939.74 and 66,216.72

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Solution

The fourth proportional to 184,548, 276,939.74 and 66,216.72 is: 99,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,548 : 276,939.74 = 66,216.72 : x
  2. Step 2: Convert to fraction form
    184,548/276,939.74 = 66,216.72/x
  3. Step 3: Cross multiply
    184,548x = 276,939.74 × 66,216.72
  4. Step 4: Simplify right side
    184,548x = 18,338,041,220.45
  5. Step 5: Solve for x
    x = 18,338,041,220.45/184,548
  6. Step 6: Final answer
    x = 99,367.33

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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.