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Finding the Fourth Proportional to 122,817.89, 184,226.88 and 43,927.40

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Solution

The fourth proportional to 122,817.89, 184,226.88 and 43,927.40 is: 65,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,817.89 : 184,226.88 = 43,927.40 : x
  2. Step 2: Convert to fraction form
    122,817.89/184,226.88 = 43,927.40/x
  3. Step 3: Cross multiply
    122,817.89x = 184,226.88 × 43,927.40
  4. Step 4: Simplify right side
    122,817.89x = 8,092,607,848.51
  5. Step 5: Solve for x
    x = 8,092,607,848.51/122,817.89
  6. Step 6: Final answer
    x = 65,891.12

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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.