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Finding the Fourth Proportional to 263,420.94, 395,117.49 and 73,894.38

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Solution

The fourth proportional to 263,420.94, 395,117.49 and 73,894.38 is: 110,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,420.94 : 395,117.49 = 73,894.38 : x
  2. Step 2: Convert to fraction form
    263,420.94/395,117.49 = 73,894.38/x
  3. Step 3: Cross multiply
    263,420.94x = 395,117.49 × 73,894.38
  4. Step 4: Simplify right side
    263,420.94x = 29,196,961,950.71
  5. Step 5: Solve for x
    x = 29,196,961,950.71/263,420.94
  6. Step 6: Final answer
    x = 110,837.67

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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.