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Finding the Fourth Proportional to 169,616.26, 254,453.72 and 57,297.30

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Solution

The fourth proportional to 169,616.26, 254,453.72 and 57,297.30 is: 85,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,616.26 : 254,453.72 = 57,297.30 : x
  2. Step 2: Convert to fraction form
    169,616.26/254,453.72 = 57,297.30/x
  3. Step 3: Cross multiply
    169,616.26x = 254,453.72 × 57,297.30
  4. Step 4: Simplify right side
    169,616.26x = 14,579,511,130.96
  5. Step 5: Solve for x
    x = 14,579,511,130.96/169,616.26
  6. Step 6: Final answer
    x = 85,955.86

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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.