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Finding the Fourth Proportional to 250,965.88, 376,421.27 and 73,474.63

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Solution

The fourth proportional to 250,965.88, 376,421.27 and 73,474.63 is: 110,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,965.88 : 376,421.27 = 73,474.63 : x
  2. Step 2: Convert to fraction form
    250,965.88/376,421.27 = 73,474.63/x
  3. Step 3: Cross multiply
    250,965.88x = 376,421.27 × 73,474.63
  4. Step 4: Simplify right side
    250,965.88x = 27,657,412,228.95
  5. Step 5: Solve for x
    x = 27,657,412,228.95/250,965.88
  6. Step 6: Final answer
    x = 110,203.88

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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.