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Finding the Fourth Proportional to 178,908.59, 268,260.82 and 73,602.11

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Solution

The fourth proportional to 178,908.59, 268,260.82 and 73,602.11 is: 110,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,908.59 : 268,260.82 = 73,602.11 : x
  2. Step 2: Convert to fraction form
    178,908.59/268,260.82 = 73,602.11/x
  3. Step 3: Cross multiply
    178,908.59x = 268,260.82 × 73,602.11
  4. Step 4: Simplify right side
    178,908.59x = 19,744,562,382.33
  5. Step 5: Solve for x
    x = 19,744,562,382.33/178,908.59
  6. Step 6: Final answer
    x = 110,361.18

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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.