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Finding the Fourth Proportional to 300,957.51, 451,117.98 and 111,296.01

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Solution

The fourth proportional to 300,957.51, 451,117.98 and 111,296.01 is: 166,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,957.51 : 451,117.98 = 111,296.01 : x
  2. Step 2: Convert to fraction form
    300,957.51/451,117.98 = 111,296.01/x
  3. Step 3: Cross multiply
    300,957.51x = 451,117.98 × 111,296.01
  4. Step 4: Simplify right side
    300,957.51x = 50,207,631,213.26
  5. Step 5: Solve for x
    x = 50,207,631,213.26/300,957.51
  6. Step 6: Final answer
    x = 166,826.31

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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.