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Finding the Fourth Proportional to 240,597.09, 360,731.59 and 122,039.82

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Solution

The fourth proportional to 240,597.09, 360,731.59 and 122,039.82 is: 182,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,597.09 : 360,731.59 = 122,039.82 : x
  2. Step 2: Convert to fraction form
    240,597.09/360,731.59 = 122,039.82/x
  3. Step 3: Cross multiply
    240,597.09x = 360,731.59 × 122,039.82
  4. Step 4: Simplify right side
    240,597.09x = 44,023,618,311.91
  5. Step 5: Solve for x
    x = 44,023,618,311.91/240,597.09
  6. Step 6: Final answer
    x = 182,976.52

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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.