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Finding the Fourth Proportional to 201,364.67, 302,045.64 and 68,338.58

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Solution

The fourth proportional to 201,364.67, 302,045.64 and 68,338.58 is: 102,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,364.67 : 302,045.64 = 68,338.58 : x
  2. Step 2: Convert to fraction form
    201,364.67/302,045.64 = 68,338.58/x
  3. Step 3: Cross multiply
    201,364.67x = 302,045.64 × 68,338.58
  4. Step 4: Simplify right side
    201,364.67x = 20,641,370,132.79
  5. Step 5: Solve for x
    x = 20,641,370,132.79/201,364.67
  6. Step 6: Final answer
    x = 102,507.41

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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.