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Finding the Fourth Proportional to 169,892.70, 254,839.05 and 51,558.30

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Solution

The fourth proportional to 169,892.70, 254,839.05 and 51,558.30 is: 77,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,892.70 : 254,839.05 = 51,558.30 : x
  2. Step 2: Convert to fraction form
    169,892.70/254,839.05 = 51,558.30/x
  3. Step 3: Cross multiply
    169,892.70x = 254,839.05 × 51,558.30
  4. Step 4: Simplify right side
    169,892.70x = 13,139,068,191.62
  5. Step 5: Solve for x
    x = 13,139,068,191.62/169,892.70
  6. Step 6: Final answer
    x = 77,337.45

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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.