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Finding the Fourth Proportional to 103,368.93, 154,954.96 and 33,199.03

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Solution

The fourth proportional to 103,368.93, 154,954.96 and 33,199.03 is: 49,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368.93 : 154,954.96 = 33,199.03 : x
  2. Step 2: Convert to fraction form
    103,368.93/154,954.96 = 33,199.03/x
  3. Step 3: Cross multiply
    103,368.93x = 154,954.96 × 33,199.03
  4. Step 4: Simplify right side
    103,368.93x = 5,144,354,476.38
  5. Step 5: Solve for x
    x = 5,144,354,476.38/103,368.93
  6. Step 6: Final answer
    x = 49,766.93

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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.