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Finding the Fourth Proportional to 227,012.21, 313,278.95 and 125,038.04

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Solution

The fourth proportional to 227,012.21, 313,278.95 and 125,038.04 is: 172,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,012.21 : 313,278.95 = 125,038.04 : x
  2. Step 2: Convert to fraction form
    227,012.21/313,278.95 = 125,038.04/x
  3. Step 3: Cross multiply
    227,012.21x = 313,278.95 × 125,038.04
  4. Step 4: Simplify right side
    227,012.21x = 39,171,784,627.46
  5. Step 5: Solve for x
    x = 39,171,784,627.46/227,012.21
  6. Step 6: Final answer
    x = 172,553.65

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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.