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Finding the Fourth Proportional to 200,484.75, 276,668.96 and 119,915.67

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Solution

The fourth proportional to 200,484.75, 276,668.96 and 119,915.67 is: 165,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484.75 : 276,668.96 = 119,915.67 : x
  2. Step 2: Convert to fraction form
    200,484.75/276,668.96 = 119,915.67/x
  3. Step 3: Cross multiply
    200,484.75x = 276,668.96 × 119,915.67
  4. Step 4: Simplify right side
    200,484.75x = 33,176,943,107.02
  5. Step 5: Solve for x
    x = 33,176,943,107.02/200,484.75
  6. Step 6: Final answer
    x = 165,483.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.