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Finding the Fourth Proportional to 341,691.40, 512,537.10 and 164,155.60

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Solution

The fourth proportional to 341,691.40, 512,537.10 and 164,155.60 is: 246,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,691.40 : 512,537.10 = 164,155.60 : x
  2. Step 2: Convert to fraction form
    341,691.40/512,537.10 = 164,155.60/x
  3. Step 3: Cross multiply
    341,691.40x = 512,537.10 × 164,155.60
  4. Step 4: Simplify right side
    341,691.40x = 84,135,835,172.76
  5. Step 5: Solve for x
    x = 84,135,835,172.76/341,691.40
  6. Step 6: Final answer
    x = 246,233.40

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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.