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Finding the Fourth Proportional to 184,534, 276,820.44 and 84,677.20

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Solution

The fourth proportional to 184,534, 276,820.44 and 84,677.20 is: 127,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,534 : 276,820.44 = 84,677.20 : x
  2. Step 2: Convert to fraction form
    184,534/276,820.44 = 84,677.20/x
  3. Step 3: Cross multiply
    184,534x = 276,820.44 × 84,677.20
  4. Step 4: Simplify right side
    184,534x = 23,440,379,761.97
  5. Step 5: Solve for x
    x = 23,440,379,761.97/184,534
  6. Step 6: Final answer
    x = 127,024.72

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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.