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Finding the Fourth Proportional to 183,810.72, 275,733.13 and 71,499.50

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Solution

The fourth proportional to 183,810.72, 275,733.13 and 71,499.50 is: 107,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,810.72 : 275,733.13 = 71,499.50 : x
  2. Step 2: Convert to fraction form
    183,810.72/275,733.13 = 71,499.50/x
  3. Step 3: Cross multiply
    183,810.72x = 275,733.13 × 71,499.50
  4. Step 4: Simplify right side
    183,810.72x = 19,714,780,928.44
  5. Step 5: Solve for x
    x = 19,714,780,928.44/183,810.72
  6. Step 6: Final answer
    x = 107,255.88

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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.