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Finding the Fourth Proportional to 188,794.72, 283,226.64 and 64,154.08

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Solution

The fourth proportional to 188,794.72, 283,226.64 and 64,154.08 is: 96,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,794.72 : 283,226.64 = 64,154.08 : x
  2. Step 2: Convert to fraction form
    188,794.72/283,226.64 = 64,154.08/x
  3. Step 3: Cross multiply
    188,794.72x = 283,226.64 × 64,154.08
  4. Step 4: Simplify right side
    188,794.72x = 18,170,144,520.69
  5. Step 5: Solve for x
    x = 18,170,144,520.69/188,794.72
  6. Step 6: Final answer
    x = 96,242.86

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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.