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Finding the Fourth Proportional to 111,000.30, 166,500.45 and 40,865.10

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Solution

The fourth proportional to 111,000.30, 166,500.45 and 40,865.10 is: 61,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.30 : 166,500.45 = 40,865.10 : x
  2. Step 2: Convert to fraction form
    111,000.30/166,500.45 = 40,865.10/x
  3. Step 3: Cross multiply
    111,000.30x = 166,500.45 × 40,865.10
  4. Step 4: Simplify right side
    111,000.30x = 6,804,057,539.30
  5. Step 5: Solve for x
    x = 6,804,057,539.30/111,000.30
  6. Step 6: Final answer
    x = 61,297.65

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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.