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Finding the Fourth Proportional to 133,058, 183,620.28 and 73,442

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Solution

The fourth proportional to 133,058, 183,620.28 and 73,442 is: 101,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058 : 183,620.28 = 73,442 : x
  2. Step 2: Convert to fraction form
    133,058/183,620.28 = 73,442/x
  3. Step 3: Cross multiply
    133,058x = 183,620.28 × 73,442
  4. Step 4: Simplify right side
    133,058x = 13,485,440,603.76
  5. Step 5: Solve for x
    x = 13,485,440,603.76/133,058
  6. Step 6: Final answer
    x = 101,350.09

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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.