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Finding the Fourth Proportional to 223,615.52, 335,457.30 and 73,871.64

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Solution

The fourth proportional to 223,615.52, 335,457.30 and 73,871.64 is: 110,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,615.52 : 335,457.30 = 73,871.64 : x
  2. Step 2: Convert to fraction form
    223,615.52/335,457.30 = 73,871.64/x
  3. Step 3: Cross multiply
    223,615.52x = 335,457.30 × 73,871.64
  4. Step 4: Simplify right side
    223,615.52x = 24,780,780,900.97
  5. Step 5: Solve for x
    x = 24,780,780,900.97/223,615.52
  6. Step 6: Final answer
    x = 110,818.70

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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.