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Finding the Fourth Proportional to 135,635.92, 203,412.32 and 93,784.94

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Solution

The fourth proportional to 135,635.92, 203,412.32 and 93,784.94 is: 140,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,635.92 : 203,412.32 = 93,784.94 : x
  2. Step 2: Convert to fraction form
    135,635.92/203,412.32 = 93,784.94/x
  3. Step 3: Cross multiply
    135,635.92x = 203,412.32 × 93,784.94
  4. Step 4: Simplify right side
    135,635.92x = 19,077,012,954.60
  5. Step 5: Solve for x
    x = 19,077,012,954.60/135,635.92
  6. Step 6: Final answer
    x = 140,648.68

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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.