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Finding the Fourth Proportional to 189,414.40, 284,136.78 and 63,050.08

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Solution

The fourth proportional to 189,414.40, 284,136.78 and 63,050.08 is: 94,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.40 : 284,136.78 = 63,050.08 : x
  2. Step 2: Convert to fraction form
    189,414.40/284,136.78 = 63,050.08/x
  3. Step 3: Cross multiply
    189,414.40x = 284,136.78 × 63,050.08
  4. Step 4: Simplify right side
    189,414.40x = 17,914,846,709.94
  5. Step 5: Solve for x
    x = 17,914,846,709.94/189,414.40
  6. Step 6: Final answer
    x = 94,580.17

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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.