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Finding the Fourth Proportional to 164,513.70, 246,770.55 and 122,523.30

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Solution

The fourth proportional to 164,513.70, 246,770.55 and 122,523.30 is: 183,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513.70 : 246,770.55 = 122,523.30 : x
  2. Step 2: Convert to fraction form
    164,513.70/246,770.55 = 122,523.30/x
  3. Step 3: Cross multiply
    164,513.70x = 246,770.55 × 122,523.30
  4. Step 4: Simplify right side
    164,513.70x = 30,235,142,128.82
  5. Step 5: Solve for x
    x = 30,235,142,128.82/164,513.70
  6. Step 6: Final answer
    x = 183,784.95

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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.