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Finding the Fourth Proportional to 188,045.33, 281,802.76 and 103,843.40

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Solution

The fourth proportional to 188,045.33, 281,802.76 and 103,843.40 is: 155,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.33 : 281,802.76 = 103,843.40 : x
  2. Step 2: Convert to fraction form
    188,045.33/281,802.76 = 103,843.40/x
  3. Step 3: Cross multiply
    188,045.33x = 281,802.76 × 103,843.40
  4. Step 4: Simplify right side
    188,045.33x = 29,263,355,059.16
  5. Step 5: Solve for x
    x = 29,263,355,059.16/188,045.33
  6. Step 6: Final answer
    x = 155,618.63

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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.