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Finding the Fourth Proportional to 245,012.93, 367,027.30 and 111,709.81

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Solution

The fourth proportional to 245,012.93, 367,027.30 and 111,709.81 is: 167,340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,012.93 : 367,027.30 = 111,709.81 : x
  2. Step 2: Convert to fraction form
    245,012.93/367,027.30 = 111,709.81/x
  3. Step 3: Cross multiply
    245,012.93x = 367,027.30 × 111,709.81
  4. Step 4: Simplify right side
    245,012.93x = 41,000,548,750.97
  5. Step 5: Solve for x
    x = 41,000,548,750.97/245,012.93
  6. Step 6: Final answer
    x = 167,340.35

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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.