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Finding the Fourth Proportional to 111,080.88, 166,654.80 and 51,950.88

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Solution

The fourth proportional to 111,080.88, 166,654.80 and 51,950.88 is: 77,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,080.88 : 166,654.80 = 51,950.88 : x
  2. Step 2: Convert to fraction form
    111,080.88/166,654.80 = 51,950.88/x
  3. Step 3: Cross multiply
    111,080.88x = 166,654.80 × 51,950.88
  4. Step 4: Simplify right side
    111,080.88x = 8,657,863,516.22
  5. Step 5: Solve for x
    x = 8,657,863,516.22/111,080.88
  6. Step 6: Final answer
    x = 77,941.98

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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.