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Finding the Fourth Proportional to 184,475.20, 276,712.80 and 90,968.80

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Solution

The fourth proportional to 184,475.20, 276,712.80 and 90,968.80 is: 136,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,475.20 : 276,712.80 = 90,968.80 : x
  2. Step 2: Convert to fraction form
    184,475.20/276,712.80 = 90,968.80/x
  3. Step 3: Cross multiply
    184,475.20x = 276,712.80 × 90,968.80
  4. Step 4: Simplify right side
    184,475.20x = 25,172,231,360.64
  5. Step 5: Solve for x
    x = 25,172,231,360.64/184,475.20
  6. Step 6: Final answer
    x = 136,453.20

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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.