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Finding the Fourth Proportional to 133,028.67, 199,369.73 and 54,050.57

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Solution

The fourth proportional to 133,028.67, 199,369.73 and 54,050.57 is: 81,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.67 : 199,369.73 = 54,050.57 : x
  2. Step 2: Convert to fraction form
    133,028.67/199,369.73 = 54,050.57/x
  3. Step 3: Cross multiply
    133,028.67x = 199,369.73 × 54,050.57
  4. Step 4: Simplify right side
    133,028.67x = 10,776,047,547.25
  5. Step 5: Solve for x
    x = 10,776,047,547.25/133,028.67
  6. Step 6: Final answer
    x = 81,005.45

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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.