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Finding the Fourth Proportional to 263,595.53, 363,763.58 and 142,736.82

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Solution

The fourth proportional to 263,595.53, 363,763.58 and 142,736.82 is: 196,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,595.53 : 363,763.58 = 142,736.82 : x
  2. Step 2: Convert to fraction form
    263,595.53/363,763.58 = 142,736.82/x
  3. Step 3: Cross multiply
    263,595.53x = 363,763.58 × 142,736.82
  4. Step 4: Simplify right side
    263,595.53x = 51,922,456,641.02
  5. Step 5: Solve for x
    x = 51,922,456,641.02/263,595.53
  6. Step 6: Final answer
    x = 196,977.76

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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.