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Finding the Fourth Proportional to 250,352.44, 375,551.78 and 81,873.66

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Solution

The fourth proportional to 250,352.44, 375,551.78 and 81,873.66 is: 122,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,352.44 : 375,551.78 = 81,873.66 : x
  2. Step 2: Convert to fraction form
    250,352.44/375,551.78 = 81,873.66/x
  3. Step 3: Cross multiply
    250,352.44x = 375,551.78 × 81,873.66
  4. Step 4: Simplify right side
    250,352.44x = 30,747,798,748.11
  5. Step 5: Solve for x
    x = 30,747,798,748.11/250,352.44
  6. Step 6: Final answer
    x = 122,818.05

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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.