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Finding the Fourth Proportional to 184,378.88, 254,484.24 and 120,679.58

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Solution

The fourth proportional to 184,378.88, 254,484.24 and 120,679.58 is: 166,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,378.88 : 254,484.24 = 120,679.58 : x
  2. Step 2: Convert to fraction form
    184,378.88/254,484.24 = 120,679.58/x
  3. Step 3: Cross multiply
    184,378.88x = 254,484.24 × 120,679.58
  4. Step 4: Simplify right side
    184,378.88x = 30,711,051,199.82
  5. Step 5: Solve for x
    x = 30,711,051,199.82/184,378.88
  6. Step 6: Final answer
    x = 166,564.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.