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Finding the Fourth Proportional to 234,861.72, 324,107.31 and 132,886.32

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Solution

The fourth proportional to 234,861.72, 324,107.31 and 132,886.32 is: 183,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,861.72 : 324,107.31 = 132,886.32 : x
  2. Step 2: Convert to fraction form
    234,861.72/324,107.31 = 132,886.32/x
  3. Step 3: Cross multiply
    234,861.72x = 324,107.31 × 132,886.32
  4. Step 4: Simplify right side
    234,861.72x = 43,069,427,711.00
  5. Step 5: Solve for x
    x = 43,069,427,711.00/234,861.72
  6. Step 6: Final answer
    x = 183,382.07

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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.