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Finding the Fourth Proportional to 133,001, 183,541.38 and 73,385

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Solution

The fourth proportional to 133,001, 183,541.38 and 73,385 is: 101,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001 : 183,541.38 = 73,385 : x
  2. Step 2: Convert to fraction form
    133,001/183,541.38 = 73,385/x
  3. Step 3: Cross multiply
    133,001x = 183,541.38 × 73,385
  4. Step 4: Simplify right side
    133,001x = 13,469,184,171.30
  5. Step 5: Solve for x
    x = 13,469,184,171.30/133,001
  6. Step 6: Final answer
    x = 101,271.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.