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Finding the Fourth Proportional to 178,334.40, 267,436.80 and 60,009.60

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Solution

The fourth proportional to 178,334.40, 267,436.80 and 60,009.60 is: 89,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,334.40 : 267,436.80 = 60,009.60 : x
  2. Step 2: Convert to fraction form
    178,334.40/267,436.80 = 60,009.60/x
  3. Step 3: Cross multiply
    178,334.40x = 267,436.80 × 60,009.60
  4. Step 4: Simplify right side
    178,334.40x = 16,048,775,393.28
  5. Step 5: Solve for x
    x = 16,048,775,393.28/178,334.40
  6. Step 6: Final answer
    x = 89,992.59

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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.