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Finding the Fourth Proportional to 239,276.40, 358,914.60 and 164,626.80

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Solution

The fourth proportional to 239,276.40, 358,914.60 and 164,626.80 is: 246,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,276.40 : 358,914.60 = 164,626.80 : x
  2. Step 2: Convert to fraction form
    239,276.40/358,914.60 = 164,626.80/x
  3. Step 3: Cross multiply
    239,276.40x = 358,914.60 × 164,626.80
  4. Step 4: Simplify right side
    239,276.40x = 59,086,962,071.28
  5. Step 5: Solve for x
    x = 59,086,962,071.28/239,276.40
  6. Step 6: Final answer
    x = 246,940.20

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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.