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Finding the Fourth Proportional to 234,768.40, 352,152.60 and 68,556.40

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Solution

The fourth proportional to 234,768.40, 352,152.60 and 68,556.40 is: 102,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,768.40 : 352,152.60 = 68,556.40 : x
  2. Step 2: Convert to fraction form
    234,768.40/352,152.60 = 68,556.40/x
  3. Step 3: Cross multiply
    234,768.40x = 352,152.60 × 68,556.40
  4. Step 4: Simplify right side
    234,768.40x = 24,142,314,506.64
  5. Step 5: Solve for x
    x = 24,142,314,506.64/234,768.40
  6. Step 6: Final answer
    x = 102,834.60

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1.5x scale

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.