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Finding the Fourth Proportional to 119,815.48, 179,759.10 and 35,578.39

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Solution

The fourth proportional to 119,815.48, 179,759.10 and 35,578.39 is: 53,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.48 : 179,759.10 = 35,578.39 : x
  2. Step 2: Convert to fraction form
    119,815.48/179,759.10 = 35,578.39/x
  3. Step 3: Cross multiply
    119,815.48x = 179,759.10 × 35,578.39
  4. Step 4: Simplify right side
    119,815.48x = 6,395,539,186.79
  5. Step 5: Solve for x
    x = 6,395,539,186.79/119,815.48
  6. Step 6: Final answer
    x = 53,378.24

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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.