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Finding the Fourth Proportional to 166,115.22, 249,212.42 and 53,795.48

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Solution

The fourth proportional to 166,115.22, 249,212.42 and 53,795.48 is: 80,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,115.22 : 249,212.42 = 53,795.48 : x
  2. Step 2: Convert to fraction form
    166,115.22/249,212.42 = 53,795.48/x
  3. Step 3: Cross multiply
    166,115.22x = 249,212.42 × 53,795.48
  4. Step 4: Simplify right side
    166,115.22x = 13,406,501,755.86
  5. Step 5: Solve for x
    x = 13,406,501,755.86/166,115.22
  6. Step 6: Final answer
    x = 80,706.04

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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.