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Finding the Fourth Proportional to 245,013.55, 367,028.24 and 111,710.43

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Solution

The fourth proportional to 245,013.55, 367,028.24 and 111,710.43 is: 167,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,013.55 : 367,028.24 = 111,710.43 : x
  2. Step 2: Convert to fraction form
    245,013.55/367,028.24 = 111,710.43/x
  3. Step 3: Cross multiply
    245,013.55x = 367,028.24 × 111,710.43
  4. Step 4: Simplify right side
    245,013.55x = 41,000,882,512.54
  5. Step 5: Solve for x
    x = 41,000,882,512.54/245,013.55
  6. Step 6: Final answer
    x = 167,341.29

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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.