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Finding the Fourth Proportional to 178,156.36, 267,303.66 and 67,357

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Solution

The fourth proportional to 178,156.36, 267,303.66 and 67,357 is: 101,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,156.36 : 267,303.66 = 67,357 : x
  2. Step 2: Convert to fraction form
    178,156.36/267,303.66 = 67,357/x
  3. Step 3: Cross multiply
    178,156.36x = 267,303.66 × 67,357
  4. Step 4: Simplify right side
    178,156.36x = 18,004,772,626.62
  5. Step 5: Solve for x
    x = 18,004,772,626.62/178,156.36
  6. Step 6: Final answer
    x = 101,061.63

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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.