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Finding the Fourth Proportional to 245,324.81, 367,987.22 and 65,410.85

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Solution

The fourth proportional to 245,324.81, 367,987.22 and 65,410.85 is: 98,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,324.81 : 367,987.22 = 65,410.85 : x
  2. Step 2: Convert to fraction form
    245,324.81/367,987.22 = 65,410.85/x
  3. Step 3: Cross multiply
    245,324.81x = 367,987.22 × 65,410.85
  4. Step 4: Simplify right side
    245,324.81x = 24,070,357,687.54
  5. Step 5: Solve for x
    x = 24,070,357,687.54/245,324.81
  6. Step 6: Final answer
    x = 98,116.28

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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.