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Finding the Fourth Proportional to 250,359.71, 375,562.73 and 81,880.98

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Solution

The fourth proportional to 250,359.71, 375,562.73 and 81,880.98 is: 122,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,359.71 : 375,562.73 = 81,880.98 : x
  2. Step 2: Convert to fraction form
    250,359.71/375,562.73 = 81,880.98/x
  3. Step 3: Cross multiply
    250,359.71x = 375,562.73 × 81,880.98
  4. Step 4: Simplify right side
    250,359.71x = 30,751,442,719.64
  5. Step 5: Solve for x
    x = 30,751,442,719.64/250,359.71
  6. Step 6: Final answer
    x = 122,829.04

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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.