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Finding the Fourth Proportional to 341,996.77, 512,995.29 and 89,276.56

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Solution

The fourth proportional to 341,996.77, 512,995.29 and 89,276.56 is: 133,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,996.77 : 512,995.29 = 89,276.56 : x
  2. Step 2: Convert to fraction form
    341,996.77/512,995.29 = 89,276.56/x
  3. Step 3: Cross multiply
    341,996.77x = 512,995.29 × 89,276.56
  4. Step 4: Simplify right side
    341,996.77x = 45,798,454,787.40
  5. Step 5: Solve for x
    x = 45,798,454,787.40/341,996.77
  6. Step 6: Final answer
    x = 133,914.88

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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.