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Finding the Fourth Proportional to 122,666.88, 184,015.44 and 43,789.44

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Solution

The fourth proportional to 122,666.88, 184,015.44 and 43,789.44 is: 65,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.88 : 184,015.44 = 43,789.44 : x
  2. Step 2: Convert to fraction form
    122,666.88/184,015.44 = 43,789.44/x
  3. Step 3: Cross multiply
    122,666.88x = 184,015.44 × 43,789.44
  4. Step 4: Simplify right side
    122,666.88x = 8,057,933,068.95
  5. Step 5: Solve for x
    x = 8,057,933,068.95/122,666.88
  6. Step 6: Final answer
    x = 65,689.56

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1.5x scale

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.