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Finding the Fourth Proportional to 263,116.88, 363,095.88 and 143,884.88

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Solution

The fourth proportional to 263,116.88, 363,095.88 and 143,884.88 is: 198,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,116.88 : 363,095.88 = 143,884.88 : x
  2. Step 2: Convert to fraction form
    263,116.88/363,095.88 = 143,884.88/x
  3. Step 3: Cross multiply
    263,116.88x = 363,095.88 × 143,884.88
  4. Step 4: Simplify right side
    263,116.88x = 52,244,007,122.29
  5. Step 5: Solve for x
    x = 52,244,007,122.29/263,116.88
  6. Step 6: Final answer
    x = 198,558.17

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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.