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Finding the Fourth Proportional to 184,397.48, 276,645.44 and 66,080.78

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Solution

The fourth proportional to 184,397.48, 276,645.44 and 66,080.78 is: 99,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,397.48 : 276,645.44 = 66,080.78 : x
  2. Step 2: Convert to fraction form
    184,397.48/276,645.44 = 66,080.78/x
  3. Step 3: Cross multiply
    184,397.48x = 276,645.44 × 66,080.78
  4. Step 4: Simplify right side
    184,397.48x = 18,280,946,541.24
  5. Step 5: Solve for x
    x = 18,280,946,541.24/184,397.48
  6. Step 6: Final answer
    x = 99,138.81

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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.