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Finding the Fourth Proportional to 269,336.25, 404,004.38 and 103,124.25

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Solution

The fourth proportional to 269,336.25, 404,004.38 and 103,124.25 is: 154,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,336.25 : 404,004.38 = 103,124.25 : x
  2. Step 2: Convert to fraction form
    269,336.25/404,004.38 = 103,124.25/x
  3. Step 3: Cross multiply
    269,336.25x = 404,004.38 × 103,124.25
  4. Step 4: Simplify right side
    269,336.25x = 41,662,648,168.59
  5. Step 5: Solve for x
    x = 41,662,648,168.59/269,336.25
  6. Step 6: Final answer
    x = 154,686.38

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1.5x scale

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.