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Finding the Fourth Proportional to 300,730.26, 451,102.71 and 101,053.54

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Solution

The fourth proportional to 300,730.26, 451,102.71 and 101,053.54 is: 151,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,730.26 : 451,102.71 = 101,053.54 : x
  2. Step 2: Convert to fraction form
    300,730.26/451,102.71 = 101,053.54/x
  3. Step 3: Cross multiply
    300,730.26x = 451,102.71 × 101,053.54
  4. Step 4: Simplify right side
    300,730.26x = 45,585,525,749.09
  5. Step 5: Solve for x
    x = 45,585,525,749.09/300,730.26
  6. Step 6: Final answer
    x = 151,582.77

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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.