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Finding the Fourth Proportional to 178,443.36, 267,678 and 53,794.08

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Solution

The fourth proportional to 178,443.36, 267,678 and 53,794.08 is: 80,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,443.36 : 267,678 = 53,794.08 : x
  2. Step 2: Convert to fraction form
    178,443.36/267,678 = 53,794.08/x
  3. Step 3: Cross multiply
    178,443.36x = 267,678 × 53,794.08
  4. Step 4: Simplify right side
    178,443.36x = 14,399,491,746.24
  5. Step 5: Solve for x
    x = 14,399,491,746.24/178,443.36
  6. Step 6: Final answer
    x = 80,695.03

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1.5x scale

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.