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Finding the Fourth Proportional to 189,787.98, 284,711.49 and 63,389.10

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Solution

The fourth proportional to 189,787.98, 284,711.49 and 63,389.10 is: 95,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,787.98 : 284,711.49 = 63,389.10 : x
  2. Step 2: Convert to fraction form
    189,787.98/284,711.49 = 63,389.10/x
  3. Step 3: Cross multiply
    189,787.98x = 284,711.49 × 63,389.10
  4. Step 4: Simplify right side
    189,787.98x = 18,047,605,110.76
  5. Step 5: Solve for x
    x = 18,047,605,110.76/189,787.98
  6. Step 6: Final answer
    x = 95,093.51

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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.