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Finding the Fourth Proportional to 133,026.67, 199,366.73 and 54,048.57

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Solution

The fourth proportional to 133,026.67, 199,366.73 and 54,048.57 is: 81,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.67 : 199,366.73 = 54,048.57 : x
  2. Step 2: Convert to fraction form
    133,026.67/199,366.73 = 54,048.57/x
  3. Step 3: Cross multiply
    133,026.67x = 199,366.73 × 54,048.57
  4. Step 4: Simplify right side
    133,026.67x = 10,775,486,662.08
  5. Step 5: Solve for x
    x = 10,775,486,662.08/133,026.67
  6. Step 6: Final answer
    x = 81,002.45

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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.