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Finding the Fourth Proportional to 135,753.50, 203,630.93 and 55,835.06

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Solution

The fourth proportional to 135,753.50, 203,630.93 and 55,835.06 is: 83,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.50 : 203,630.93 = 55,835.06 : x
  2. Step 2: Convert to fraction form
    135,753.50/203,630.93 = 55,835.06/x
  3. Step 3: Cross multiply
    135,753.50x = 203,630.93 × 55,835.06
  4. Step 4: Simplify right side
    135,753.50x = 11,369,744,106.46
  5. Step 5: Solve for x
    x = 11,369,744,106.46/135,753.50
  6. Step 6: Final answer
    x = 83,752.86

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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.