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Finding the Fourth Proportional to 202,055.93, 303,072.90 and 61,814.55

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Solution

The fourth proportional to 202,055.93, 303,072.90 and 61,814.55 is: 92,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,055.93 : 303,072.90 = 61,814.55 : x
  2. Step 2: Convert to fraction form
    202,055.93/303,072.90 = 61,814.55/x
  3. Step 3: Cross multiply
    202,055.93x = 303,072.90 × 61,814.55
  4. Step 4: Simplify right side
    202,055.93x = 18,734,314,930.70
  5. Step 5: Solve for x
    x = 18,734,314,930.70/202,055.93
  6. Step 6: Final answer
    x = 92,718.46

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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.