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Finding the Fourth Proportional to 171,926.70, 257,890.05 and 101,769.90

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Solution

The fourth proportional to 171,926.70, 257,890.05 and 101,769.90 is: 152,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,926.70 : 257,890.05 = 101,769.90 : x
  2. Step 2: Convert to fraction form
    171,926.70/257,890.05 = 101,769.90/x
  3. Step 3: Cross multiply
    171,926.70x = 257,890.05 × 101,769.90
  4. Step 4: Simplify right side
    171,926.70x = 26,245,444,599.50
  5. Step 5: Solve for x
    x = 26,245,444,599.50/171,926.70
  6. Step 6: Final answer
    x = 152,654.85

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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.