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Finding the Fourth Proportional to 119,166.18, 164,450.39 and 65,452.40

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Solution

The fourth proportional to 119,166.18, 164,450.39 and 65,452.40 is: 90,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,166.18 : 164,450.39 = 65,452.40 : x
  2. Step 2: Convert to fraction form
    119,166.18/164,450.39 = 65,452.40/x
  3. Step 3: Cross multiply
    119,166.18x = 164,450.39 × 65,452.40
  4. Step 4: Simplify right side
    119,166.18x = 10,763,672,706.44
  5. Step 5: Solve for x
    x = 10,763,672,706.44/119,166.18
  6. Step 6: Final answer
    x = 90,324.90

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1.5x scale

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.