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Finding the Fourth Proportional to 122,888.98, 184,333.30 and 38,656.54

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Solution

The fourth proportional to 122,888.98, 184,333.30 and 38,656.54 is: 57,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,888.98 : 184,333.30 = 38,656.54 : x
  2. Step 2: Convert to fraction form
    122,888.98/184,333.30 = 38,656.54/x
  3. Step 3: Cross multiply
    122,888.98x = 184,333.30 × 38,656.54
  4. Step 4: Simplify right side
    122,888.98x = 7,125,687,584.78
  5. Step 5: Solve for x
    x = 7,125,687,584.78/122,888.98
  6. Step 6: Final answer
    x = 57,984.76

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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.