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Finding the Fourth Proportional to 194,912.30, 273,402.10 and 194,912.30

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Solution

The fourth proportional to 194,912.30, 273,402.10 and 194,912.30 is: 273,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,912.30 : 273,402.10 = 194,912.30 : x
  2. Step 2: Convert to fraction form
    194,912.30/273,402.10 = 194,912.30/x
  3. Step 3: Cross multiply
    194,912.30x = 273,402.10 × 194,912.30
  4. Step 4: Simplify right side
    194,912.30x = 53,289,432,135.83
  5. Step 5: Solve for x
    x = 53,289,432,135.83/194,912.30
  6. Step 6: Final answer
    x = 273,402.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.