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Finding the Fourth Proportional to 263,392.50, 363,481.65 and 144,160.50

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Solution

The fourth proportional to 263,392.50, 363,481.65 and 144,160.50 is: 198,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,392.50 : 363,481.65 = 144,160.50 : x
  2. Step 2: Convert to fraction form
    263,392.50/363,481.65 = 144,160.50/x
  3. Step 3: Cross multiply
    263,392.50x = 363,481.65 × 144,160.50
  4. Step 4: Simplify right side
    263,392.50x = 52,399,696,404.83
  5. Step 5: Solve for x
    x = 52,399,696,404.83/263,392.50
  6. Step 6: Final answer
    x = 198,941.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.