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Finding the Fourth Proportional to 188,808.37, 283,044.08 and 70,485.19

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Solution

The fourth proportional to 188,808.37, 283,044.08 and 70,485.19 is: 105,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,808.37 : 283,044.08 = 70,485.19 : x
  2. Step 2: Convert to fraction form
    188,808.37/283,044.08 = 70,485.19/x
  3. Step 3: Cross multiply
    188,808.37x = 283,044.08 × 70,485.19
  4. Step 4: Simplify right side
    188,808.37x = 19,950,415,757.18
  5. Step 5: Solve for x
    x = 19,950,415,757.18/188,808.37
  6. Step 6: Final answer
    x = 105,664.89

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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.