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Finding the Fourth Proportional to 169,857.54, 254,786.91 and 51,529.89

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Solution

The fourth proportional to 169,857.54, 254,786.91 and 51,529.89 is: 77,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,857.54 : 254,786.91 = 51,529.89 : x
  2. Step 2: Convert to fraction form
    169,857.54/254,786.91 = 51,529.89/x
  3. Step 3: Cross multiply
    169,857.54x = 254,786.91 × 51,529.89
  4. Step 4: Simplify right side
    169,857.54x = 13,129,141,445.74
  5. Step 5: Solve for x
    x = 13,129,141,445.74/169,857.54
  6. Step 6: Final answer
    x = 77,295.02

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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.