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Finding the Fourth Proportional to 234,946.40, 352,419.60 and 164,087.60

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Solution

The fourth proportional to 234,946.40, 352,419.60 and 164,087.60 is: 246,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,946.40 : 352,419.60 = 164,087.60 : x
  2. Step 2: Convert to fraction form
    234,946.40/352,419.60 = 164,087.60/x
  3. Step 3: Cross multiply
    234,946.40x = 352,419.60 × 164,087.60
  4. Step 4: Simplify right side
    234,946.40x = 57,827,686,356.96
  5. Step 5: Solve for x
    x = 57,827,686,356.96/234,946.40
  6. Step 6: Final answer
    x = 246,131.40

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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.