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Finding the Fourth Proportional to 119,924.98, 179,854.63 and 45,039.33

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Solution

The fourth proportional to 119,924.98, 179,854.63 and 45,039.33 is: 67,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924.98 : 179,854.63 = 45,039.33 : x
  2. Step 2: Convert to fraction form
    119,924.98/179,854.63 = 45,039.33/x
  3. Step 3: Cross multiply
    119,924.98x = 179,854.63 × 45,039.33
  4. Step 4: Simplify right side
    119,924.98x = 8,100,531,920.00
  5. Step 5: Solve for x
    x = 8,100,531,920.00/119,924.98
  6. Step 6: Final answer
    x = 67,546.66

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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.