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Finding the Fourth Proportional to 272,759.00, 409,137.68 and 122,823.74

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Solution

The fourth proportional to 272,759.00, 409,137.68 and 122,823.74 is: 184,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,759.00 : 409,137.68 = 122,823.74 : x
  2. Step 2: Convert to fraction form
    272,759.00/409,137.68 = 122,823.74/x
  3. Step 3: Cross multiply
    272,759.00x = 409,137.68 × 122,823.74
  4. Step 4: Simplify right side
    272,759.00x = 50,251,821,362.43
  5. Step 5: Solve for x
    x = 50,251,821,362.43/272,759.00
  6. Step 6: Final answer
    x = 184,235.25

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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.