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Finding the Fourth Proportional to 130,425.98, 179,584.83 and 101,861.03

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Solution

The fourth proportional to 130,425.98, 179,584.83 and 101,861.03 is: 140,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425.98 : 179,584.83 = 101,861.03 : x
  2. Step 2: Convert to fraction form
    130,425.98/179,584.83 = 101,861.03/x
  3. Step 3: Cross multiply
    130,425.98x = 179,584.83 × 101,861.03
  4. Step 4: Simplify right side
    130,425.98x = 18,292,694,858.25
  5. Step 5: Solve for x
    x = 18,292,694,858.25/130,425.98
  6. Step 6: Final answer
    x = 140,253.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.