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Finding the Fourth Proportional to 133,885.76, 200,828.68 and 50,779.76

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Solution

The fourth proportional to 133,885.76, 200,828.68 and 50,779.76 is: 76,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,885.76 : 200,828.68 = 50,779.76 : x
  2. Step 2: Convert to fraction form
    133,885.76/200,828.68 = 50,779.76/x
  3. Step 3: Cross multiply
    133,885.76x = 200,828.68 × 50,779.76
  4. Step 4: Simplify right side
    133,885.76x = 10,198,032,171.52
  5. Step 5: Solve for x
    x = 10,198,032,171.52/133,885.76
  6. Step 6: Final answer
    x = 76,169.66

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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.