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Finding the Fourth Proportional to 245,004.20, 367,419.90 and 111,948.20

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Solution

The fourth proportional to 245,004.20, 367,419.90 and 111,948.20 is: 167,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,004.20 : 367,419.90 = 111,948.20 : x
  2. Step 2: Convert to fraction form
    245,004.20/367,419.90 = 111,948.20/x
  3. Step 3: Cross multiply
    245,004.20x = 367,419.90 × 111,948.20
  4. Step 4: Simplify right side
    245,004.20x = 41,131,996,449.18
  5. Step 5: Solve for x
    x = 41,131,996,449.18/245,004.20
  6. Step 6: Final answer
    x = 167,882.82

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1.5x scale

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.