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Finding the Fourth Proportional to 178,040.64, 267,037.44 and 67,218.24

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Solution

The fourth proportional to 178,040.64, 267,037.44 and 67,218.24 is: 100,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,040.64 : 267,037.44 = 67,218.24 : x
  2. Step 2: Convert to fraction form
    178,040.64/267,037.44 = 67,218.24/x
  3. Step 3: Cross multiply
    178,040.64x = 267,037.44 × 67,218.24
  4. Step 4: Simplify right side
    178,040.64x = 17,949,786,730.91
  5. Step 5: Solve for x
    x = 17,949,786,730.91/178,040.64
  6. Step 6: Final answer
    x = 100,818.48

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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.