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Finding the Fourth Proportional to 188,658.42, 282,951.50 and 73,252.90

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Solution

The fourth proportional to 188,658.42, 282,951.50 and 73,252.90 is: 109,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,658.42 : 282,951.50 = 73,252.90 : x
  2. Step 2: Convert to fraction form
    188,658.42/282,951.50 = 73,252.90/x
  3. Step 3: Cross multiply
    188,658.42x = 282,951.50 × 73,252.90
  4. Step 4: Simplify right side
    188,658.42x = 20,727,017,934.35
  5. Step 5: Solve for x
    x = 20,727,017,934.35/188,658.42
  6. Step 6: Final answer
    x = 109,865.32

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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.