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Finding the Fourth Proportional to 201,679.60, 302,521.82 and 61,439.44

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Solution

The fourth proportional to 201,679.60, 302,521.82 and 61,439.44 is: 92,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,679.60 : 302,521.82 = 61,439.44 : x
  2. Step 2: Convert to fraction form
    201,679.60/302,521.82 = 61,439.44/x
  3. Step 3: Cross multiply
    201,679.60x = 302,521.82 × 61,439.44
  4. Step 4: Simplify right side
    201,679.60x = 18,586,769,849.57
  5. Step 5: Solve for x
    x = 18,586,769,849.57/201,679.60
  6. Step 6: Final answer
    x = 92,159.89

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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.