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Finding the Fourth Proportional to 301,366.53, 451,731.15 and 109,112.76

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Solution

The fourth proportional to 301,366.53, 451,731.15 and 109,112.76 is: 163,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,366.53 : 451,731.15 = 109,112.76 : x
  2. Step 2: Convert to fraction form
    301,366.53/451,731.15 = 109,112.76/x
  3. Step 3: Cross multiply
    301,366.53x = 451,731.15 × 109,112.76
  4. Step 4: Simplify right side
    301,366.53x = 49,289,632,554.47
  5. Step 5: Solve for x
    x = 49,289,632,554.47/301,366.53
  6. Step 6: Final answer
    x = 163,553.77

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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.