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Finding the Fourth Proportional to 135,803.05, 203,706.09 and 41,034.01

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Solution

The fourth proportional to 135,803.05, 203,706.09 and 41,034.01 is: 61,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,803.05 : 203,706.09 = 41,034.01 : x
  2. Step 2: Convert to fraction form
    135,803.05/203,706.09 = 41,034.01/x
  3. Step 3: Cross multiply
    135,803.05x = 203,706.09 × 41,034.01
  4. Step 4: Simplify right side
    135,803.05x = 8,358,877,606.80
  5. Step 5: Solve for x
    x = 8,358,877,606.80/135,803.05
  6. Step 6: Final answer
    x = 61,551.47

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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.