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Finding the Fourth Proportional to 137,460.84, 206,217.18 and 43,941.48

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Solution

The fourth proportional to 137,460.84, 206,217.18 and 43,941.48 is: 65,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,460.84 : 206,217.18 = 43,941.48 : x
  2. Step 2: Convert to fraction form
    137,460.84/206,217.18 = 43,941.48/x
  3. Step 3: Cross multiply
    137,460.84x = 206,217.18 × 43,941.48
  4. Step 4: Simplify right side
    137,460.84x = 9,061,488,090.63
  5. Step 5: Solve for x
    x = 9,061,488,090.63/137,460.84
  6. Step 6: Final answer
    x = 65,920.51

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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.