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Finding the Fourth Proportional to 234,046.70, 350,940.45 and 100,904.30

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Solution

The fourth proportional to 234,046.70, 350,940.45 and 100,904.30 is: 151,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,046.70 : 350,940.45 = 100,904.30 : x
  2. Step 2: Convert to fraction form
    234,046.70/350,940.45 = 100,904.30/x
  3. Step 3: Cross multiply
    234,046.70x = 350,940.45 × 100,904.30
  4. Step 4: Simplify right side
    234,046.70x = 35,411,400,448.94
  5. Step 5: Solve for x
    x = 35,411,400,448.94/234,046.70
  6. Step 6: Final answer
    x = 151,300.58

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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.