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Finding the Fourth Proportional to 75,658.60, 104,453.58 and 67,250.80

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Solution

The fourth proportional to 75,658.60, 104,453.58 and 67,250.80 is: 92,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,658.60 : 104,453.58 = 67,250.80 : x
  2. Step 2: Convert to fraction form
    75,658.60/104,453.58 = 67,250.80/x
  3. Step 3: Cross multiply
    75,658.60x = 104,453.58 × 67,250.80
  4. Step 4: Simplify right side
    75,658.60x = 7,024,586,817.86
  5. Step 5: Solve for x
    x = 7,024,586,817.86/75,658.60
  6. Step 6: Final answer
    x = 92,845.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.