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Finding the Fourth Proportional to 164,558.40, 246,643.20 and 122,956.80

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Solution

The fourth proportional to 164,558.40, 246,643.20 and 122,956.80 is: 184,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,558.40 : 246,643.20 = 122,956.80 : x
  2. Step 2: Convert to fraction form
    164,558.40/246,643.20 = 122,956.80/x
  3. Step 3: Cross multiply
    164,558.40x = 246,643.20 × 122,956.80
  4. Step 4: Simplify right side
    164,558.40x = 30,326,458,613.76
  5. Step 5: Solve for x
    x = 30,326,458,613.76/164,558.40
  6. Step 6: Final answer
    x = 184,289.95

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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.