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Finding the Fourth Proportional to 169,287.36, 254,047.89 and 58,479.36

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Solution

The fourth proportional to 169,287.36, 254,047.89 and 58,479.36 is: 87,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,287.36 : 254,047.89 = 58,479.36 : x
  2. Step 2: Convert to fraction form
    169,287.36/254,047.89 = 58,479.36/x
  3. Step 3: Cross multiply
    169,287.36x = 254,047.89 × 58,479.36
  4. Step 4: Simplify right side
    169,287.36x = 14,856,558,016.55
  5. Step 5: Solve for x
    x = 14,856,558,016.55/169,287.36
  6. Step 6: Final answer
    x = 87,759.41

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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.