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Finding the Fourth Proportional to 201,794.66, 278,476.59 and 111,150.62

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Solution

The fourth proportional to 201,794.66, 278,476.59 and 111,150.62 is: 153,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794.66 : 278,476.59 = 111,150.62 : x
  2. Step 2: Convert to fraction form
    201,794.66/278,476.59 = 111,150.62/x
  3. Step 3: Cross multiply
    201,794.66x = 278,476.59 × 111,150.62
  4. Step 4: Simplify right side
    201,794.66x = 30,952,845,702.70
  5. Step 5: Solve for x
    x = 30,952,845,702.70/201,794.66
  6. Step 6: Final answer
    x = 153,387.83

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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.