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Finding the Fourth Proportional to 79,458.77, 119,162.64 and 35,084.54

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Solution

The fourth proportional to 79,458.77, 119,162.64 and 35,084.54 is: 52,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,458.77 : 119,162.64 = 35,084.54 : x
  2. Step 2: Convert to fraction form
    79,458.77/119,162.64 = 35,084.54/x
  3. Step 3: Cross multiply
    79,458.77x = 119,162.64 × 35,084.54
  4. Step 4: Simplify right side
    79,458.77x = 4,180,766,839.06
  5. Step 5: Solve for x
    x = 4,180,766,839.06/79,458.77
  6. Step 6: Final answer
    x = 52,615.55

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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.