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Finding the Fourth Proportional to 114,407.70, 171,613.35 and 43,311.26

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Solution

The fourth proportional to 114,407.70, 171,613.35 and 43,311.26 is: 64,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,407.70 : 171,613.35 = 43,311.26 : x
  2. Step 2: Convert to fraction form
    114,407.70/171,613.35 = 43,311.26/x
  3. Step 3: Cross multiply
    114,407.70x = 171,613.35 × 43,311.26
  4. Step 4: Simplify right side
    114,407.70x = 7,432,789,346.70
  5. Step 5: Solve for x
    x = 7,432,789,346.70/114,407.70
  6. Step 6: Final answer
    x = 64,967.56

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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.