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Finding the Fourth Proportional to 119,494.52, 179,268.78 and 39,532.30

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Solution

The fourth proportional to 119,494.52, 179,268.78 and 39,532.30 is: 59,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,494.52 : 179,268.78 = 39,532.30 : x
  2. Step 2: Convert to fraction form
    119,494.52/179,268.78 = 39,532.30/x
  3. Step 3: Cross multiply
    119,494.52x = 179,268.78 × 39,532.30
  4. Step 4: Simplify right side
    119,494.52x = 7,086,907,191.59
  5. Step 5: Solve for x
    x = 7,086,907,191.59/119,494.52
  6. Step 6: Final answer
    x = 59,307.38

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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.