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Finding the Fourth Proportional to 178,001.54, 267,186.88 and 119,247.80

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Solution

The fourth proportional to 178,001.54, 267,186.88 and 119,247.80 is: 178,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,001.54 : 267,186.88 = 119,247.80 : x
  2. Step 2: Convert to fraction form
    178,001.54/267,186.88 = 119,247.80/x
  3. Step 3: Cross multiply
    178,001.54x = 267,186.88 × 119,247.80
  4. Step 4: Simplify right side
    178,001.54x = 31,861,447,628.86
  5. Step 5: Solve for x
    x = 31,861,447,628.86/178,001.54
  6. Step 6: Final answer
    x = 178,995.35

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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.