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Finding the Fourth Proportional to 465,981.63, 699,119.15 and 166,455.57

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Solution

The fourth proportional to 465,981.63, 699,119.15 and 166,455.57 is: 249,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,981.63 : 699,119.15 = 166,455.57 : x
  2. Step 2: Convert to fraction form
    465,981.63/699,119.15 = 166,455.57/x
  3. Step 3: Cross multiply
    465,981.63x = 699,119.15 × 166,455.57
  4. Step 4: Simplify right side
    465,981.63x = 116,372,276,611.17
  5. Step 5: Solve for x
    x = 116,372,276,611.17/465,981.63
  6. Step 6: Final answer
    x = 249,735.76

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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.