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Finding the Fourth Proportional to 169,180.88, 253,800.60 and 56,872.08

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Solution

The fourth proportional to 169,180.88, 253,800.60 and 56,872.08 is: 85,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,180.88 : 253,800.60 = 56,872.08 : x
  2. Step 2: Convert to fraction form
    169,180.88/253,800.60 = 56,872.08/x
  3. Step 3: Cross multiply
    169,180.88x = 253,800.60 × 56,872.08
  4. Step 4: Simplify right side
    169,180.88x = 14,434,168,027.25
  5. Step 5: Solve for x
    x = 14,434,168,027.25/169,180.88
  6. Step 6: Final answer
    x = 85,317.96

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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.