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Finding the Fourth Proportional to 117,227.34, 175,865.31 and 47,112.12

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Solution

The fourth proportional to 117,227.34, 175,865.31 and 47,112.12 is: 70,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,227.34 : 175,865.31 = 47,112.12 : x
  2. Step 2: Convert to fraction form
    117,227.34/175,865.31 = 47,112.12/x
  3. Step 3: Cross multiply
    117,227.34x = 175,865.31 × 47,112.12
  4. Step 4: Simplify right side
    117,227.34x = 8,285,387,588.56
  5. Step 5: Solve for x
    x = 8,285,387,588.56/117,227.34
  6. Step 6: Final answer
    x = 70,677.95

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1.5x scale

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.