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Finding the Fourth Proportional to 134,814.20, 202,294.20 and 55,936.40

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Solution

The fourth proportional to 134,814.20, 202,294.20 and 55,936.40 is: 83,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814.20 : 202,294.20 = 55,936.40 : x
  2. Step 2: Convert to fraction form
    134,814.20/202,294.20 = 55,936.40/x
  3. Step 3: Cross multiply
    134,814.20x = 202,294.20 × 55,936.40
  4. Step 4: Simplify right side
    134,814.20x = 11,315,609,288.88
  5. Step 5: Solve for x
    x = 11,315,609,288.88/134,814.20
  6. Step 6: Final answer
    x = 83,934.85

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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.