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Finding the Fourth Proportional to 225,537.60, 337,431.60 and 146,805.60

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Solution

The fourth proportional to 225,537.60, 337,431.60 and 146,805.60 is: 219,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,537.60 : 337,431.60 = 146,805.60 : x
  2. Step 2: Convert to fraction form
    225,537.60/337,431.60 = 146,805.60/x
  3. Step 3: Cross multiply
    225,537.60x = 337,431.60 × 146,805.60
  4. Step 4: Simplify right side
    225,537.60x = 49,536,848,496.96
  5. Step 5: Solve for x
    x = 49,536,848,496.96/225,537.60
  6. Step 6: Final answer
    x = 219,638.98

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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.