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Finding the Fourth Proportional to 178,376.40, 267,337.80 and 73,076.40

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Solution

The fourth proportional to 178,376.40, 267,337.80 and 73,076.40 is: 109,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,376.40 : 267,337.80 = 73,076.40 : x
  2. Step 2: Convert to fraction form
    178,376.40/267,337.80 = 73,076.40/x
  3. Step 3: Cross multiply
    178,376.40x = 267,337.80 × 73,076.40
  4. Step 4: Simplify right side
    178,376.40x = 19,536,084,007.92
  5. Step 5: Solve for x
    x = 19,536,084,007.92/178,376.40
  6. Step 6: Final answer
    x = 109,521.69

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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.