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Finding the Fourth Proportional to 450,071.36, 675,174.16 and 165,740.04

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Solution

The fourth proportional to 450,071.36, 675,174.16 and 165,740.04 is: 248,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,071.36 : 675,174.16 = 165,740.04 : x
  2. Step 2: Convert to fraction form
    450,071.36/675,174.16 = 165,740.04/x
  3. Step 3: Cross multiply
    450,071.36x = 675,174.16 × 165,740.04
  4. Step 4: Simplify right side
    450,071.36x = 111,903,392,285.37
  5. Step 5: Solve for x
    x = 111,903,392,285.37/450,071.36
  6. Step 6: Final answer
    x = 248,634.78

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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.