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Finding the Fourth Proportional to 136,195.52, 187,843.46 and 116,118.86

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Solution

The fourth proportional to 136,195.52, 187,843.46 and 116,118.86 is: 160,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,195.52 : 187,843.46 = 116,118.86 : x
  2. Step 2: Convert to fraction form
    136,195.52/187,843.46 = 116,118.86/x
  3. Step 3: Cross multiply
    136,195.52x = 187,843.46 × 116,118.86
  4. Step 4: Simplify right side
    136,195.52x = 21,812,166,913.84
  5. Step 5: Solve for x
    x = 21,812,166,913.84/136,195.52
  6. Step 6: Final answer
    x = 160,153.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.