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Finding the Fourth Proportional to 331,937.92, 458,068.80 and 181,025.92

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Solution

The fourth proportional to 331,937.92, 458,068.80 and 181,025.92 is: 249,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,937.92 : 458,068.80 = 181,025.92 : x
  2. Step 2: Convert to fraction form
    331,937.92/458,068.80 = 181,025.92/x
  3. Step 3: Cross multiply
    331,937.92x = 458,068.80 × 181,025.92
  4. Step 4: Simplify right side
    331,937.92x = 82,922,325,943.30
  5. Step 5: Solve for x
    x = 82,922,325,943.30/331,937.92
  6. Step 6: Final answer
    x = 249,812.75

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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.