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Finding the Fourth Proportional to 252,552.20, 378,848.54 and 84,066.44

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Solution

The fourth proportional to 252,552.20, 378,848.54 and 84,066.44 is: 126,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,552.20 : 378,848.54 = 84,066.44 : x
  2. Step 2: Convert to fraction form
    252,552.20/378,848.54 = 84,066.44/x
  3. Step 3: Cross multiply
    252,552.20x = 378,848.54 × 84,066.44
  4. Step 4: Simplify right side
    252,552.20x = 31,848,448,057.00
  5. Step 5: Solve for x
    x = 31,848,448,057.00/252,552.20
  6. Step 6: Final answer
    x = 126,106.40

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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.