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Finding the Fourth Proportional to 194,904.30, 273,390.90 and 194,904.30

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Solution

The fourth proportional to 194,904.30, 273,390.90 and 194,904.30 is: 273,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,904.30 : 273,390.90 = 194,904.30 : x
  2. Step 2: Convert to fraction form
    194,904.30/273,390.90 = 194,904.30/x
  3. Step 3: Cross multiply
    194,904.30x = 273,390.90 × 194,904.30
  4. Step 4: Simplify right side
    194,904.30x = 53,285,061,990.87
  5. Step 5: Solve for x
    x = 53,285,061,990.87/194,904.30
  6. Step 6: Final answer
    x = 273,390.90

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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.