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Finding the Fourth Proportional to 178,656.44, 267,634.38 and 103,618.94

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Solution

The fourth proportional to 178,656.44, 267,634.38 and 103,618.94 is: 155,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,656.44 : 267,634.38 = 103,618.94 : x
  2. Step 2: Convert to fraction form
    178,656.44/267,634.38 = 103,618.94/x
  3. Step 3: Cross multiply
    178,656.44x = 267,634.38 × 103,618.94
  4. Step 4: Simplify right side
    178,656.44x = 27,731,990,763.16
  5. Step 5: Solve for x
    x = 27,731,990,763.16/178,656.44
  6. Step 6: Final answer
    x = 155,225.25

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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.