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Finding the Fourth Proportional to 239,722.44, 359,804.52 and 121,477.56

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Solution

The fourth proportional to 239,722.44, 359,804.52 and 121,477.56 is: 182,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,722.44 : 359,804.52 = 121,477.56 : x
  2. Step 2: Convert to fraction form
    239,722.44/359,804.52 = 121,477.56/x
  3. Step 3: Cross multiply
    239,722.44x = 359,804.52 × 121,477.56
  4. Step 4: Simplify right side
    239,722.44x = 43,708,175,166.57
  5. Step 5: Solve for x
    x = 43,708,175,166.57/239,722.44
  6. Step 6: Final answer
    x = 182,328.26

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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.