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Finding the Fourth Proportional to 276,553.84, 414,738.52 and 108,030.48

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Solution

The fourth proportional to 276,553.84, 414,738.52 and 108,030.48 is: 162,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,553.84 : 414,738.52 = 108,030.48 : x
  2. Step 2: Convert to fraction form
    276,553.84/414,738.52 = 108,030.48/x
  3. Step 3: Cross multiply
    276,553.84x = 414,738.52 × 108,030.48
  4. Step 4: Simplify right side
    276,553.84x = 44,804,401,390.09
  5. Step 5: Solve for x
    x = 44,804,401,390.09/276,553.84
  6. Step 6: Final answer
    x = 162,009.69

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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.