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Finding the Fourth Proportional to 160,689.17, 241,142.65 and 65,936.49

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Solution

The fourth proportional to 160,689.17, 241,142.65 and 65,936.49 is: 98,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,689.17 : 241,142.65 = 65,936.49 : x
  2. Step 2: Convert to fraction form
    160,689.17/241,142.65 = 65,936.49/x
  3. Step 3: Cross multiply
    160,689.17x = 241,142.65 × 65,936.49
  4. Step 4: Simplify right side
    160,689.17x = 15,900,098,889.43
  5. Step 5: Solve for x
    x = 15,900,098,889.43/160,689.17
  6. Step 6: Final answer
    x = 98,949.41

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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.