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Finding the Fourth Proportional to 303,309.81, 454,975.65 and 113,750.98

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Solution

The fourth proportional to 303,309.81, 454,975.65 and 113,750.98 is: 170,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,309.81 : 454,975.65 = 113,750.98 : x
  2. Step 2: Convert to fraction form
    303,309.81/454,975.65 = 113,750.98/x
  3. Step 3: Cross multiply
    303,309.81x = 454,975.65 × 113,750.98
  4. Step 4: Simplify right side
    303,309.81x = 51,753,926,063.64
  5. Step 5: Solve for x
    x = 51,753,926,063.64/303,309.81
  6. Step 6: Final answer
    x = 170,630.57

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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.