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Finding the Fourth Proportional to 201,494.67, 302,231.06 and 61,242.36

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Solution

The fourth proportional to 201,494.67, 302,231.06 and 61,242.36 is: 91,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,494.67 : 302,231.06 = 61,242.36 : x
  2. Step 2: Convert to fraction form
    201,494.67/302,231.06 = 61,242.36/x
  3. Step 3: Cross multiply
    201,494.67x = 302,231.06 × 61,242.36
  4. Step 4: Simplify right side
    201,494.67x = 18,509,343,379.70
  5. Step 5: Solve for x
    x = 18,509,343,379.70/201,494.67
  6. Step 6: Final answer
    x = 91,860.21

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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.