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Finding the Fourth Proportional to 319,694.60, 479,541.84 and 95,054.12

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Solution

The fourth proportional to 319,694.60, 479,541.84 and 95,054.12 is: 142,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694.60 : 479,541.84 = 95,054.12 : x
  2. Step 2: Convert to fraction form
    319,694.60/479,541.84 = 95,054.12/x
  3. Step 3: Cross multiply
    319,694.60x = 479,541.84 × 95,054.12
  4. Step 4: Simplify right side
    319,694.60x = 45,582,427,604.38
  5. Step 5: Solve for x
    x = 45,582,427,604.38/319,694.60
  6. Step 6: Final answer
    x = 142,581.16

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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.