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Finding the Fourth Proportional to 103,467.80, 155,244.90 and 33,368.60

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Solution

The fourth proportional to 103,467.80, 155,244.90 and 33,368.60 is: 50,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,467.80 : 155,244.90 = 33,368.60 : x
  2. Step 2: Convert to fraction form
    103,467.80/155,244.90 = 33,368.60/x
  3. Step 3: Cross multiply
    103,467.80x = 155,244.90 × 33,368.60
  4. Step 4: Simplify right side
    103,467.80x = 5,180,304,970.14
  5. Step 5: Solve for x
    x = 5,180,304,970.14/103,467.80
  6. Step 6: Final answer
    x = 50,066.83

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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.