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Finding the Fourth Proportional to 341,863.87, 512,796.18 and 89,144.14

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Solution

The fourth proportional to 341,863.87, 512,796.18 and 89,144.14 is: 133,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,863.87 : 512,796.18 = 89,144.14 : x
  2. Step 2: Convert to fraction form
    341,863.87/512,796.18 = 89,144.14/x
  3. Step 3: Cross multiply
    341,863.87x = 512,796.18 × 89,144.14
  4. Step 4: Simplify right side
    341,863.87x = 45,712,774,461.39
  5. Step 5: Solve for x
    x = 45,712,774,461.39/341,863.87
  6. Step 6: Final answer
    x = 133,716.31

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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.