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Finding the Fourth Proportional to 111,282.30, 166,923.45 and 41,147.10

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Solution

The fourth proportional to 111,282.30, 166,923.45 and 41,147.10 is: 61,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282.30 : 166,923.45 = 41,147.10 : x
  2. Step 2: Convert to fraction form
    111,282.30/166,923.45 = 41,147.10/x
  3. Step 3: Cross multiply
    111,282.30x = 166,923.45 × 41,147.10
  4. Step 4: Simplify right side
    111,282.30x = 6,868,415,889.50
  5. Step 5: Solve for x
    x = 6,868,415,889.50/111,282.30
  6. Step 6: Final answer
    x = 61,720.65

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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.