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Finding the Fourth Proportional to 169,586.98, 254,389.83 and 51,255.34

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Solution

The fourth proportional to 169,586.98, 254,389.83 and 51,255.34 is: 76,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,586.98 : 254,389.83 = 51,255.34 : x
  2. Step 2: Convert to fraction form
    169,586.98/254,389.83 = 51,255.34/x
  3. Step 3: Cross multiply
    169,586.98x = 254,389.83 × 51,255.34
  4. Step 4: Simplify right side
    169,586.98x = 13,038,837,229.19
  5. Step 5: Solve for x
    x = 13,038,837,229.19/169,586.98
  6. Step 6: Final answer
    x = 76,885.84

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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.