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Finding the Fourth Proportional to 122,899.06, 184,377.76 and 39,793.06

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Solution

The fourth proportional to 122,899.06, 184,377.76 and 39,793.06 is: 59,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,899.06 : 184,377.76 = 39,793.06 : x
  2. Step 2: Convert to fraction form
    122,899.06/184,377.76 = 39,793.06/x
  3. Step 3: Cross multiply
    122,899.06x = 184,377.76 × 39,793.06
  4. Step 4: Simplify right side
    122,899.06x = 7,336,955,266.35
  5. Step 5: Solve for x
    x = 7,336,955,266.35/122,899.06
  6. Step 6: Final answer
    x = 59,699.03

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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.