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Finding the Fourth Proportional to 76,089.72, 114,161.52 and 33,965.88

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Solution

The fourth proportional to 76,089.72, 114,161.52 and 33,965.88 is: 50,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,089.72 : 114,161.52 = 33,965.88 : x
  2. Step 2: Convert to fraction form
    76,089.72/114,161.52 = 33,965.88/x
  3. Step 3: Cross multiply
    76,089.72x = 114,161.52 × 33,965.88
  4. Step 4: Simplify right side
    76,089.72x = 3,877,596,488.94
  5. Step 5: Solve for x
    x = 3,877,596,488.94/76,089.72
  6. Step 6: Final answer
    x = 50,960.85

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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.