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Finding the Fourth Proportional to 243,026.80, 364,540.20 and 183,977.80

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Solution

The fourth proportional to 243,026.80, 364,540.20 and 183,977.80 is: 275,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,026.80 : 364,540.20 = 183,977.80 : x
  2. Step 2: Convert to fraction form
    243,026.80/364,540.20 = 183,977.80/x
  3. Step 3: Cross multiply
    243,026.80x = 364,540.20 × 183,977.80
  4. Step 4: Simplify right side
    243,026.80x = 67,067,304,007.56
  5. Step 5: Solve for x
    x = 67,067,304,007.56/243,026.80
  6. Step 6: Final answer
    x = 275,966.70

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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.