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Finding the Fourth Proportional to 119,458.94, 179,040.78 and 60,311.52

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Solution

The fourth proportional to 119,458.94, 179,040.78 and 60,311.52 is: 90,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,458.94 : 179,040.78 = 60,311.52 : x
  2. Step 2: Convert to fraction form
    119,458.94/179,040.78 = 60,311.52/x
  3. Step 3: Cross multiply
    119,458.94x = 179,040.78 × 60,311.52
  4. Step 4: Simplify right side
    119,458.94x = 10,798,221,583.79
  5. Step 5: Solve for x
    x = 10,798,221,583.79/119,458.94
  6. Step 6: Final answer
    x = 90,392.75

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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.