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Finding the Fourth Proportional to 609,265.80, 913,898.70 and 166,033.80

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Solution

The fourth proportional to 609,265.80, 913,898.70 and 166,033.80 is: 249,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,265.80 : 913,898.70 = 166,033.80 : x
  2. Step 2: Convert to fraction form
    609,265.80/913,898.70 = 166,033.80/x
  3. Step 3: Cross multiply
    609,265.80x = 913,898.70 × 166,033.80
  4. Step 4: Simplify right side
    609,265.80x = 151,738,073,976.06
  5. Step 5: Solve for x
    x = 151,738,073,976.06/609,265.80
  6. Step 6: Final answer
    x = 249,050.70

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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.