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Finding the Fourth Proportional to 164,843.51, 246,880.71 and 120,359.93

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Solution

The fourth proportional to 164,843.51, 246,880.71 and 120,359.93 is: 180,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,843.51 : 246,880.71 = 120,359.93 : x
  2. Step 2: Convert to fraction form
    164,843.51/246,880.71 = 120,359.93/x
  3. Step 3: Cross multiply
    164,843.51x = 246,880.71 × 120,359.93
  4. Step 4: Simplify right side
    164,843.51x = 29,714,543,739.55
  5. Step 5: Solve for x
    x = 29,714,543,739.55/164,843.51
  6. Step 6: Final answer
    x = 180,259.11

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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.