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Finding the Fourth Proportional to 368,394.72, 552,592.08 and 131,723.06

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Solution

The fourth proportional to 368,394.72, 552,592.08 and 131,723.06 is: 197,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,394.72 : 552,592.08 = 131,723.06 : x
  2. Step 2: Convert to fraction form
    368,394.72/552,592.08 = 131,723.06/x
  3. Step 3: Cross multiply
    368,394.72x = 552,592.08 × 131,723.06
  4. Step 4: Simplify right side
    368,394.72x = 72,789,119,709.36
  5. Step 5: Solve for x
    x = 72,789,119,709.36/368,394.72
  6. Step 6: Final answer
    x = 197,584.59

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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.