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Finding the Fourth Proportional to 111,005.80, 166,508.70 and 48,676.30

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Solution

The fourth proportional to 111,005.80, 166,508.70 and 48,676.30 is: 73,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005.80 : 166,508.70 = 48,676.30 : x
  2. Step 2: Convert to fraction form
    111,005.80/166,508.70 = 48,676.30/x
  3. Step 3: Cross multiply
    111,005.80x = 166,508.70 × 48,676.30
  4. Step 4: Simplify right side
    111,005.80x = 8,105,027,433.81
  5. Step 5: Solve for x
    x = 8,105,027,433.81/111,005.80
  6. Step 6: Final answer
    x = 73,014.45

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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.