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Finding the Fourth Proportional to 219,676.56, 329,580.60 and 114,569.52

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Solution

The fourth proportional to 219,676.56, 329,580.60 and 114,569.52 is: 171,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,676.56 : 329,580.60 = 114,569.52 : x
  2. Step 2: Convert to fraction form
    219,676.56/329,580.60 = 114,569.52/x
  3. Step 3: Cross multiply
    219,676.56x = 329,580.60 × 114,569.52
  4. Step 4: Simplify right side
    219,676.56x = 37,759,891,143.31
  5. Step 5: Solve for x
    x = 37,759,891,143.31/219,676.56
  6. Step 6: Final answer
    x = 171,888.58

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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.