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Finding the Fourth Proportional to 117,960.31, 162,787.08 and 64,245.29

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Solution

The fourth proportional to 117,960.31, 162,787.08 and 64,245.29 is: 88,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960.31 : 162,787.08 = 64,245.29 : x
  2. Step 2: Convert to fraction form
    117,960.31/162,787.08 = 64,245.29/x
  3. Step 3: Cross multiply
    117,960.31x = 162,787.08 × 64,245.29
  4. Step 4: Simplify right side
    117,960.31x = 10,458,302,348.92
  5. Step 5: Solve for x
    x = 10,458,302,348.92/117,960.31
  6. Step 6: Final answer
    x = 88,659.50

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1.5x scale

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.