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Finding the Fourth Proportional to 76,234.70, 106,884.10 and 76,234.70

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Solution

The fourth proportional to 76,234.70, 106,884.10 and 76,234.70 is: 106,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.70 : 106,884.10 = 76,234.70 : x
  2. Step 2: Convert to fraction form
    76,234.70/106,884.10 = 76,234.70/x
  3. Step 3: Cross multiply
    76,234.70x = 106,884.10 × 76,234.70
  4. Step 4: Simplify right side
    76,234.70x = 8,148,277,298.27
  5. Step 5: Solve for x
    x = 8,148,277,298.27/76,234.70
  6. Step 6: Final answer
    x = 106,884.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.