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Finding the Fourth Proportional to 201,583.51, 302,418.99 and 61,338.49

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Solution

The fourth proportional to 201,583.51, 302,418.99 and 61,338.49 is: 92,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,583.51 : 302,418.99 = 61,338.49 : x
  2. Step 2: Convert to fraction form
    201,583.51/302,418.99 = 61,338.49/x
  3. Step 3: Cross multiply
    201,583.51x = 302,418.99 × 61,338.49
  4. Step 4: Simplify right side
    201,583.51x = 18,549,924,193.93
  5. Step 5: Solve for x
    x = 18,549,924,193.93/201,583.51
  6. Step 6: Final answer
    x = 92,021.04

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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.