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Finding the Fourth Proportional to 169,492.56, 254,240.64 and 51,164.88

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Solution

The fourth proportional to 169,492.56, 254,240.64 and 51,164.88 is: 76,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,492.56 : 254,240.64 = 51,164.88 : x
  2. Step 2: Convert to fraction form
    169,492.56/254,240.64 = 51,164.88/x
  3. Step 3: Cross multiply
    169,492.56x = 254,240.64 × 51,164.88
  4. Step 4: Simplify right side
    169,492.56x = 13,008,191,836.72
  5. Step 5: Solve for x
    x = 13,008,191,836.72/169,492.56
  6. Step 6: Final answer
    x = 76,747.86

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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.