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Finding the Fourth Proportional to 166,651.12, 249,978.30 and 41,992.12

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Solution

The fourth proportional to 166,651.12, 249,978.30 and 41,992.12 is: 62,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,651.12 : 249,978.30 = 41,992.12 : x
  2. Step 2: Convert to fraction form
    166,651.12/249,978.30 = 41,992.12/x
  3. Step 3: Cross multiply
    166,651.12x = 249,978.30 × 41,992.12
  4. Step 4: Simplify right side
    166,651.12x = 10,497,118,771.00
  5. Step 5: Solve for x
    x = 10,497,118,771.00/166,651.12
  6. Step 6: Final answer
    x = 62,988.59

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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.