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Finding the Fourth Proportional to 170,857.44, 256,310.64 and 52,538.67

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Solution

The fourth proportional to 170,857.44, 256,310.64 and 52,538.67 is: 78,815.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.44 : 256,310.64 = 52,538.67 : x
  2. Step 2: Convert to fraction form
    170,857.44/256,310.64 = 52,538.67/x
  3. Step 3: Cross multiply
    170,857.44x = 256,310.64 × 52,538.67
  4. Step 4: Simplify right side
    170,857.44x = 13,466,220,132.45
  5. Step 5: Solve for x
    x = 13,466,220,132.45/170,857.44
  6. Step 6: Final answer
    x = 78,815.53

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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.