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Finding the Fourth Proportional to 69,466.91, 95,869.97 and 39,258.50

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Solution

The fourth proportional to 69,466.91, 95,869.97 and 39,258.50 is: 54,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,466.91 : 95,869.97 = 39,258.50 : x
  2. Step 2: Convert to fraction form
    69,466.91/95,869.97 = 39,258.50/x
  3. Step 3: Cross multiply
    69,466.91x = 95,869.97 × 39,258.50
  4. Step 4: Simplify right side
    69,466.91x = 3,763,710,541.60
  5. Step 5: Solve for x
    x = 3,763,710,541.60/69,466.91
  6. Step 6: Final answer
    x = 54,179.90

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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.