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Finding the Fourth Proportional to 223,173.64, 334,723.51 and 73,415.80

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Solution

The fourth proportional to 223,173.64, 334,723.51 and 73,415.80 is: 110,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,173.64 : 334,723.51 = 73,415.80 : x
  2. Step 2: Convert to fraction form
    223,173.64/334,723.51 = 73,415.80/x
  3. Step 3: Cross multiply
    223,173.64x = 334,723.51 × 73,415.80
  4. Step 4: Simplify right side
    223,173.64x = 24,573,992,224.76
  5. Step 5: Solve for x
    x = 24,573,992,224.76/223,173.64
  6. Step 6: Final answer
    x = 110,111.54

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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.