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Finding the Fourth Proportional to 183,758.10, 275,582.37 and 71,455.74

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Solution

The fourth proportional to 183,758.10, 275,582.37 and 71,455.74 is: 107,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,758.10 : 275,582.37 = 71,455.74 : x
  2. Step 2: Convert to fraction form
    183,758.10/275,582.37 = 71,455.74/x
  3. Step 3: Cross multiply
    183,758.10x = 275,582.37 × 71,455.74
  4. Step 4: Simplify right side
    183,758.10x = 19,691,942,179.30
  5. Step 5: Solve for x
    x = 19,691,942,179.30/183,758.10
  6. Step 6: Final answer
    x = 107,162.31

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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.