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Finding the Fourth Proportional to 188,036.90, 281,790.16 and 103,834.98

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Solution

The fourth proportional to 188,036.90, 281,790.16 and 103,834.98 is: 155,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,036.90 : 281,790.16 = 103,834.98 : x
  2. Step 2: Convert to fraction form
    188,036.90/281,790.16 = 103,834.98/x
  3. Step 3: Cross multiply
    188,036.90x = 281,790.16 × 103,834.98
  4. Step 4: Simplify right side
    188,036.90x = 29,259,675,627.80
  5. Step 5: Solve for x
    x = 29,259,675,627.80/188,036.90
  6. Step 6: Final answer
    x = 155,606.03

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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.