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Finding the Fourth Proportional to 199,610.64, 275,436.54 and 119,047.62

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Solution

The fourth proportional to 199,610.64, 275,436.54 and 119,047.62 is: 164,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,610.64 : 275,436.54 = 119,047.62 : x
  2. Step 2: Convert to fraction form
    199,610.64/275,436.54 = 119,047.62/x
  3. Step 3: Cross multiply
    199,610.64x = 275,436.54 × 119,047.62
  4. Step 4: Simplify right side
    199,610.64x = 32,790,064,548.03
  5. Step 5: Solve for x
    x = 32,790,064,548.03/199,610.64
  6. Step 6: Final answer
    x = 164,270.12

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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.