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Finding the Fourth Proportional to 170,847.70, 256,271.55 and 151,164.70

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Solution

The fourth proportional to 170,847.70, 256,271.55 and 151,164.70 is: 226,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,847.70 : 256,271.55 = 151,164.70 : x
  2. Step 2: Convert to fraction form
    170,847.70/256,271.55 = 151,164.70/x
  3. Step 3: Cross multiply
    170,847.70x = 256,271.55 × 151,164.70
  4. Step 4: Simplify right side
    170,847.70x = 38,739,211,974.29
  5. Step 5: Solve for x
    x = 38,739,211,974.29/170,847.70
  6. Step 6: Final answer
    x = 226,747.05

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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.