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Finding the Fourth Proportional to 171,898.50, 257,951.46 and 73,402.50

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Solution

The fourth proportional to 171,898.50, 257,951.46 and 73,402.50 is: 110,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,898.50 : 257,951.46 = 73,402.50 : x
  2. Step 2: Convert to fraction form
    171,898.50/257,951.46 = 73,402.50/x
  3. Step 3: Cross multiply
    171,898.50x = 257,951.46 × 73,402.50
  4. Step 4: Simplify right side
    171,898.50x = 18,934,282,042.65
  5. Step 5: Solve for x
    x = 18,934,282,042.65/171,898.50
  6. Step 6: Final answer
    x = 110,148.04

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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.