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Finding the Fourth Proportional to 200,366.27, 300,660.08 and 111,669.76

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Solution

The fourth proportional to 200,366.27, 300,660.08 and 111,669.76 is: 167,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,366.27 : 300,660.08 = 111,669.76 : x
  2. Step 2: Convert to fraction form
    200,366.27/300,660.08 = 111,669.76/x
  3. Step 3: Cross multiply
    200,366.27x = 300,660.08 × 111,669.76
  4. Step 4: Simplify right side
    200,366.27x = 33,574,638,975.18
  5. Step 5: Solve for x
    x = 33,574,638,975.18/200,366.27
  6. Step 6: Final answer
    x = 167,566.32

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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.