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Finding the Fourth Proportional to 171,059.21, 256,631 and 58,741.10

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Solution

The fourth proportional to 171,059.21, 256,631 and 58,741.10 is: 88,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,059.21 : 256,631 = 58,741.10 : x
  2. Step 2: Convert to fraction form
    171,059.21/256,631 = 58,741.10/x
  3. Step 3: Cross multiply
    171,059.21x = 256,631 × 58,741.10
  4. Step 4: Simplify right side
    171,059.21x = 15,074,787,234.10
  5. Step 5: Solve for x
    x = 15,074,787,234.10/171,059.21
  6. Step 6: Final answer
    x = 88,126.14

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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.