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Finding the Fourth Proportional to 133,017, 199,533.96 and 54,088.08

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Solution

The fourth proportional to 133,017, 199,533.96 and 54,088.08 is: 81,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017 : 199,533.96 = 54,088.08 : x
  2. Step 2: Convert to fraction form
    133,017/199,533.96 = 54,088.08/x
  3. Step 3: Cross multiply
    133,017x = 199,533.96 × 54,088.08
  4. Step 4: Simplify right side
    133,017x = 10,792,408,791.20
  5. Step 5: Solve for x
    x = 10,792,408,791.20/133,017
  6. Step 6: Final answer
    x = 81,135.56

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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.