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Finding the Fourth Proportional to 241,187.56, 361,798.28 and 72,709.31

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Solution

The fourth proportional to 241,187.56, 361,798.28 and 72,709.31 is: 109,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,187.56 : 361,798.28 = 72,709.31 : x
  2. Step 2: Convert to fraction form
    241,187.56/361,798.28 = 72,709.31/x
  3. Step 3: Cross multiply
    241,187.56x = 361,798.28 × 72,709.31
  4. Step 4: Simplify right side
    241,187.56x = 26,306,103,297.99
  5. Step 5: Solve for x
    x = 26,306,103,297.99/241,187.56
  6. Step 6: Final answer
    x = 109,069.07

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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.