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Finding the Fourth Proportional to 123,670.91, 185,257.60 and 93,736.35

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Solution

The fourth proportional to 123,670.91, 185,257.60 and 93,736.35 is: 140,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670.91 : 185,257.60 = 93,736.35 : x
  2. Step 2: Convert to fraction form
    123,670.91/185,257.60 = 93,736.35/x
  3. Step 3: Cross multiply
    123,670.91x = 185,257.60 × 93,736.35
  4. Step 4: Simplify right side
    123,670.91x = 17,365,370,999.42
  5. Step 5: Solve for x
    x = 17,365,370,999.42/123,670.91
  6. Step 6: Final answer
    x = 140,415.97

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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.