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Finding the Fourth Proportional to 237,787.88, 356,578.13 and 89,940.20

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Solution

The fourth proportional to 237,787.88, 356,578.13 and 89,940.20 is: 134,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,787.88 : 356,578.13 = 89,940.20 : x
  2. Step 2: Convert to fraction form
    237,787.88/356,578.13 = 89,940.20/x
  3. Step 3: Cross multiply
    237,787.88x = 356,578.13 × 89,940.20
  4. Step 4: Simplify right side
    237,787.88x = 32,070,706,095.23
  5. Step 5: Solve for x
    x = 32,070,706,095.23/237,787.88
  6. Step 6: Final answer
    x = 134,871.07

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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.