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Finding the Fourth Proportional to 231,240, 346,860.09 and 65,028

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Solution

The fourth proportional to 231,240, 346,860.09 and 65,028 is: 97,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,240 : 346,860.09 = 65,028 : x
  2. Step 2: Convert to fraction form
    231,240/346,860.09 = 65,028/x
  3. Step 3: Cross multiply
    231,240x = 346,860.09 × 65,028
  4. Step 4: Simplify right side
    231,240x = 22,555,617,932.52
  5. Step 5: Solve for x
    x = 22,555,617,932.52/231,240
  6. Step 6: Final answer
    x = 97,542.03

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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.