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Finding the Fourth Proportional to 178,809.48, 268,208.69 and 73,549.17

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Solution

The fourth proportional to 178,809.48, 268,208.69 and 73,549.17 is: 110,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,809.48 : 268,208.69 = 73,549.17 : x
  2. Step 2: Convert to fraction form
    178,809.48/268,208.69 = 73,549.17/x
  3. Step 3: Cross multiply
    178,809.48x = 268,208.69 × 73,549.17
  4. Step 4: Simplify right side
    178,809.48x = 19,726,526,168.54
  5. Step 5: Solve for x
    x = 19,726,526,168.54/178,809.48
  6. Step 6: Final answer
    x = 110,321.48

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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.