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Finding the Fourth Proportional to 67,491.60, 101,298.60 and 34,234.80

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Solution

The fourth proportional to 67,491.60, 101,298.60 and 34,234.80 is: 51,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.60 : 101,298.60 = 34,234.80 : x
  2. Step 2: Convert to fraction form
    67,491.60/101,298.60 = 34,234.80/x
  3. Step 3: Cross multiply
    67,491.60x = 101,298.60 × 34,234.80
  4. Step 4: Simplify right side
    67,491.60x = 3,467,937,311.28
  5. Step 5: Solve for x
    x = 3,467,937,311.28/67,491.60
  6. Step 6: Final answer
    x = 51,383.24

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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.