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Finding the Fourth Proportional to 178,696.60, 267,947.70 and 73,526.20

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Solution

The fourth proportional to 178,696.60, 267,947.70 and 73,526.20 is: 110,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,696.60 : 267,947.70 = 73,526.20 : x
  2. Step 2: Convert to fraction form
    178,696.60/267,947.70 = 73,526.20/x
  3. Step 3: Cross multiply
    178,696.60x = 267,947.70 × 73,526.20
  4. Step 4: Simplify right side
    178,696.60x = 19,701,176,179.74
  5. Step 5: Solve for x
    x = 19,701,176,179.74/178,696.60
  6. Step 6: Final answer
    x = 110,249.31

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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.