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Finding the Fourth Proportional to 194,846.80, 291,751.80 and 124,344.40

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Solution

The fourth proportional to 194,846.80, 291,751.80 and 124,344.40 is: 186,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,846.80 : 291,751.80 = 124,344.40 : x
  2. Step 2: Convert to fraction form
    194,846.80/291,751.80 = 124,344.40/x
  3. Step 3: Cross multiply
    194,846.80x = 291,751.80 × 124,344.40
  4. Step 4: Simplify right side
    194,846.80x = 36,277,702,519.92
  5. Step 5: Solve for x
    x = 36,277,702,519.92/194,846.80
  6. Step 6: Final answer
    x = 186,185.78

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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.