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Finding the Fourth Proportional to 194,469.50, 291,704.25 and 63,141.50

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Solution

The fourth proportional to 194,469.50, 291,704.25 and 63,141.50 is: 94,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,469.50 : 291,704.25 = 63,141.50 : x
  2. Step 2: Convert to fraction form
    194,469.50/291,704.25 = 63,141.50/x
  3. Step 3: Cross multiply
    194,469.50x = 291,704.25 × 63,141.50
  4. Step 4: Simplify right side
    194,469.50x = 18,418,643,901.38
  5. Step 5: Solve for x
    x = 18,418,643,901.38/194,469.50
  6. Step 6: Final answer
    x = 94,712.25

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1.5x scale

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.