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Finding the Fourth Proportional to 143,832.60, 215,714.34 and 73,675.80

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Solution

The fourth proportional to 143,832.60, 215,714.34 and 73,675.80 is: 110,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,832.60 : 215,714.34 = 73,675.80 : x
  2. Step 2: Convert to fraction form
    143,832.60/215,714.34 = 73,675.80/x
  3. Step 3: Cross multiply
    143,832.60x = 215,714.34 × 73,675.80
  4. Step 4: Simplify right side
    143,832.60x = 15,892,926,570.97
  5. Step 5: Solve for x
    x = 15,892,926,570.97/143,832.60
  6. Step 6: Final answer
    x = 110,496.00

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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.