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Finding the Fourth Proportional to 178,322.90, 267,257.55 and 73,022.90

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Solution

The fourth proportional to 178,322.90, 267,257.55 and 73,022.90 is: 109,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,322.90 : 267,257.55 = 73,022.90 : x
  2. Step 2: Convert to fraction form
    178,322.90/267,257.55 = 73,022.90/x
  3. Step 3: Cross multiply
    178,322.90x = 267,257.55 × 73,022.90
  4. Step 4: Simplify right side
    178,322.90x = 19,515,921,347.90
  5. Step 5: Solve for x
    x = 19,515,921,347.90/178,322.90
  6. Step 6: Final answer
    x = 109,441.48

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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.