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Finding the Fourth Proportional to 273,912.90, 410,913.51 and 84,373.23

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Solution

The fourth proportional to 273,912.90, 410,913.51 and 84,373.23 is: 126,573.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,912.90 : 410,913.51 = 84,373.23 : x
  2. Step 2: Convert to fraction form
    273,912.90/410,913.51 = 84,373.23/x
  3. Step 3: Cross multiply
    273,912.90x = 410,913.51 × 84,373.23
  4. Step 4: Simplify right side
    273,912.90x = 34,670,100,089.34
  5. Step 5: Solve for x
    x = 34,670,100,089.34/273,912.90
  6. Step 6: Final answer
    x = 126,573.45

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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.