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Finding the Fourth Proportional to 133,236.50, 183,866.40 and 73,620.50

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Solution

The fourth proportional to 133,236.50, 183,866.40 and 73,620.50 is: 101,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,236.50 : 183,866.40 = 73,620.50 : x
  2. Step 2: Convert to fraction form
    133,236.50/183,866.40 = 73,620.50/x
  3. Step 3: Cross multiply
    133,236.50x = 183,866.40 × 73,620.50
  4. Step 4: Simplify right side
    133,236.50x = 13,536,336,301.20
  5. Step 5: Solve for x
    x = 13,536,336,301.20/133,236.50
  6. Step 6: Final answer
    x = 101,596.31

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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.