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Finding the Fourth Proportional to 166,393.44, 249,567.84 and 66,611.52

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Solution

The fourth proportional to 166,393.44, 249,567.84 and 66,611.52 is: 99,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,393.44 : 249,567.84 = 66,611.52 : x
  2. Step 2: Convert to fraction form
    166,393.44/249,567.84 = 66,611.52/x
  3. Step 3: Cross multiply
    166,393.44x = 249,567.84 × 66,611.52
  4. Step 4: Simplify right side
    166,393.44x = 16,624,093,165.52
  5. Step 5: Solve for x
    x = 16,624,093,165.52/166,393.44
  6. Step 6: Final answer
    x = 99,908.34

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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.