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Finding the Fourth Proportional to 164,980.38, 227,672.94 and 89,528.88

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Solution

The fourth proportional to 164,980.38, 227,672.94 and 89,528.88 is: 123,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,980.38 : 227,672.94 = 89,528.88 : x
  2. Step 2: Convert to fraction form
    164,980.38/227,672.94 = 89,528.88/x
  3. Step 3: Cross multiply
    164,980.38x = 227,672.94 × 89,528.88
  4. Step 4: Simplify right side
    164,980.38x = 20,383,303,324.51
  5. Step 5: Solve for x
    x = 20,383,303,324.51/164,980.38
  6. Step 6: Final answer
    x = 123,549.86

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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.