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Finding the Fourth Proportional to 169,231.78, 253,860.42 and 56,912.32

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Solution

The fourth proportional to 169,231.78, 253,860.42 and 56,912.32 is: 85,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,231.78 : 253,860.42 = 56,912.32 : x
  2. Step 2: Convert to fraction form
    169,231.78/253,860.42 = 56,912.32/x
  3. Step 3: Cross multiply
    169,231.78x = 253,860.42 × 56,912.32
  4. Step 4: Simplify right side
    169,231.78x = 14,447,785,458.37
  5. Step 5: Solve for x
    x = 14,447,785,458.37/169,231.78
  6. Step 6: Final answer
    x = 85,372.77

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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.