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Finding the Fourth Proportional to 111,307.99, 166,969.68 and 44,748.18

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Solution

The fourth proportional to 111,307.99, 166,969.68 and 44,748.18 is: 67,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,307.99 : 166,969.68 = 44,748.18 : x
  2. Step 2: Convert to fraction form
    111,307.99/166,969.68 = 44,748.18/x
  3. Step 3: Cross multiply
    111,307.99x = 166,969.68 × 44,748.18
  4. Step 4: Simplify right side
    111,307.99x = 7,471,589,295.18
  5. Step 5: Solve for x
    x = 7,471,589,295.18/111,307.99
  6. Step 6: Final answer
    x = 67,125.36

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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.