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Finding the Fourth Proportional to 174,896.40, 241,392.88 and 111,221.88

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Solution

The fourth proportional to 174,896.40, 241,392.88 and 111,221.88 is: 153,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,896.40 : 241,392.88 = 111,221.88 : x
  2. Step 2: Convert to fraction form
    174,896.40/241,392.88 = 111,221.88/x
  3. Step 3: Cross multiply
    174,896.40x = 241,392.88 × 111,221.88
  4. Step 4: Simplify right side
    174,896.40x = 26,848,169,932.21
  5. Step 5: Solve for x
    x = 26,848,169,932.21/174,896.40
  6. Step 6: Final answer
    x = 153,508.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.