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Finding the Fourth Proportional to 135,612.73, 203,432.73 and 35,779.83

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Solution

The fourth proportional to 135,612.73, 203,432.73 and 35,779.83 is: 53,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,612.73 : 203,432.73 = 35,779.83 : x
  2. Step 2: Convert to fraction form
    135,612.73/203,432.73 = 35,779.83/x
  3. Step 3: Cross multiply
    135,612.73x = 203,432.73 × 35,779.83
  4. Step 4: Simplify right side
    135,612.73x = 7,278,788,495.84
  5. Step 5: Solve for x
    x = 7,278,788,495.84/135,612.73
  6. Step 6: Final answer
    x = 53,673.34

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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.