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Finding the Fourth Proportional to 164,979.64, 227,672.50 and 89,528.12

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Solution

The fourth proportional to 164,979.64, 227,672.50 and 89,528.12 is: 123,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,979.64 : 227,672.50 = 89,528.12 : x
  2. Step 2: Convert to fraction form
    164,979.64/227,672.50 = 89,528.12/x
  3. Step 3: Cross multiply
    164,979.64x = 227,672.50 × 89,528.12
  4. Step 4: Simplify right side
    164,979.64x = 20,383,090,900.70
  5. Step 5: Solve for x
    x = 20,383,090,900.70/164,979.64
  6. Step 6: Final answer
    x = 123,549.13

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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.