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Finding the Fourth Proportional to 269,568,200.40, 404,352,300.60 and 166,103,854.80

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Solution

The fourth proportional to 269,568,200.40, 404,352,300.60 and 166,103,854.80 is: 249,155,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,200.40 : 404,352,300.60 = 166,103,854.80 : x
  2. Step 2: Convert to fraction form
    269,568,200.40/404,352,300.60 = 166,103,854.80/x
  3. Step 3: Cross multiply
    269,568,200.40x = 404,352,300.60 × 166,103,854.80
  4. Step 4: Simplify right side
    269,568,200.40x = 67,164,475,826,908,360
  5. Step 5: Solve for x
    x = 67,164,475,826,908,360/269,568,200.40
  6. Step 6: Final answer
    x = 249,155,782.20

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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.