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Finding the Fourth Proportional to 203,167.12, 304,747.44 and 55,423.12

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Solution

The fourth proportional to 203,167.12, 304,747.44 and 55,423.12 is: 83,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,167.12 : 304,747.44 = 55,423.12 : x
  2. Step 2: Convert to fraction form
    203,167.12/304,747.44 = 55,423.12/x
  3. Step 3: Cross multiply
    203,167.12x = 304,747.44 × 55,423.12
  4. Step 4: Simplify right side
    203,167.12x = 16,890,053,936.81
  5. Step 5: Solve for x
    x = 16,890,053,936.81/203,167.12
  6. Step 6: Final answer
    x = 83,133.80

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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.