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Finding the Fourth Proportional to 166,587, 249,906.48 and 54,240.69

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Solution

The fourth proportional to 166,587, 249,906.48 and 54,240.69 is: 81,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587 : 249,906.48 = 54,240.69 : x
  2. Step 2: Convert to fraction form
    166,587/249,906.48 = 54,240.69/x
  3. Step 3: Cross multiply
    166,587x = 249,906.48 × 54,240.69
  4. Step 4: Simplify right side
    166,587x = 13,555,099,910.67
  5. Step 5: Solve for x
    x = 13,555,099,910.67/166,587
  6. Step 6: Final answer
    x = 81,369.49

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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.