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Finding the Fourth Proportional to 274,283.30, 378,358.53 and 159,549.03

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Solution

The fourth proportional to 274,283.30, 378,358.53 and 159,549.03 is: 220,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,283.30 : 378,358.53 = 159,549.03 : x
  2. Step 2: Convert to fraction form
    274,283.30/378,358.53 = 159,549.03/x
  3. Step 3: Cross multiply
    274,283.30x = 378,358.53 × 159,549.03
  4. Step 4: Simplify right side
    274,283.30x = 60,366,736,453.73
  5. Step 5: Solve for x
    x = 60,366,736,453.73/274,283.30
  6. Step 6: Final answer
    x = 220,089.00

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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.