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Finding the Fourth Proportional to 178,661.40, 267,805.62 and 60,291.96

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Solution

The fourth proportional to 178,661.40, 267,805.62 and 60,291.96 is: 90,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,661.40 : 267,805.62 = 60,291.96 : x
  2. Step 2: Convert to fraction form
    178,661.40/267,805.62 = 60,291.96/x
  3. Step 3: Cross multiply
    178,661.40x = 267,805.62 × 60,291.96
  4. Step 4: Simplify right side
    178,661.40x = 16,146,525,728.82
  5. Step 5: Solve for x
    x = 16,146,525,728.82/178,661.40
  6. Step 6: Final answer
    x = 90,375.01

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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.