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Finding the Fourth Proportional to 188,925.78, 283,426.04 and 53,991.06

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Solution

The fourth proportional to 188,925.78, 283,426.04 and 53,991.06 is: 80,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,925.78 : 283,426.04 = 53,991.06 : x
  2. Step 2: Convert to fraction form
    188,925.78/283,426.04 = 53,991.06/x
  3. Step 3: Cross multiply
    188,925.78x = 283,426.04 × 53,991.06
  4. Step 4: Simplify right side
    188,925.78x = 15,302,472,331.20
  5. Step 5: Solve for x
    x = 15,302,472,331.20/188,925.78
  6. Step 6: Final answer
    x = 80,997.27

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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.