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Finding the Fourth Proportional to 137,354.94, 206,968.36 and 112,941.88

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Solution

The fourth proportional to 137,354.94, 206,968.36 and 112,941.88 is: 170,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,354.94 : 206,968.36 = 112,941.88 : x
  2. Step 2: Convert to fraction form
    137,354.94/206,968.36 = 112,941.88/x
  3. Step 3: Cross multiply
    137,354.94x = 206,968.36 × 112,941.88
  4. Step 4: Simplify right side
    137,354.94x = 23,375,395,678.92
  5. Step 5: Solve for x
    x = 23,375,395,678.92/137,354.94
  6. Step 6: Final answer
    x = 170,182.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.