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Finding the Fourth Proportional to 227,371.59, 313,748.64 and 125,390.30

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Solution

The fourth proportional to 227,371.59, 313,748.64 and 125,390.30 is: 173,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,371.59 : 313,748.64 = 125,390.30 : x
  2. Step 2: Convert to fraction form
    227,371.59/313,748.64 = 125,390.30/x
  3. Step 3: Cross multiply
    227,371.59x = 313,748.64 × 125,390.30
  4. Step 4: Simplify right side
    227,371.59x = 39,341,034,525.45
  5. Step 5: Solve for x
    x = 39,341,034,525.45/227,371.59
  6. Step 6: Final answer
    x = 173,025.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.