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Finding the Fourth Proportional to 169,486.56, 254,231.64 and 51,158.88

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Solution

The fourth proportional to 169,486.56, 254,231.64 and 51,158.88 is: 76,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.56 : 254,231.64 = 51,158.88 : x
  2. Step 2: Convert to fraction form
    169,486.56/254,231.64 = 51,158.88/x
  3. Step 3: Cross multiply
    169,486.56x = 254,231.64 × 51,158.88
  4. Step 4: Simplify right side
    169,486.56x = 13,006,205,962.96
  5. Step 5: Solve for x
    x = 13,006,205,962.96/169,486.56
  6. Step 6: Final answer
    x = 76,738.86

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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.