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Finding the Fourth Proportional to 119,997.60, 179,780.40 and 95,200.80

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Solution

The fourth proportional to 119,997.60, 179,780.40 and 95,200.80 is: 142,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,997.60 : 179,780.40 = 95,200.80 : x
  2. Step 2: Convert to fraction form
    119,997.60/179,780.40 = 95,200.80/x
  3. Step 3: Cross multiply
    119,997.60x = 179,780.40 × 95,200.80
  4. Step 4: Simplify right side
    119,997.60x = 17,115,237,904.32
  5. Step 5: Solve for x
    x = 17,115,237,904.32/119,997.60
  6. Step 6: Final answer
    x = 142,629.84

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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.