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Finding the Fourth Proportional to 323,875.25, 485,875.15 and 124,180.07

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Solution

The fourth proportional to 323,875.25, 485,875.15 and 124,180.07 is: 186,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,875.25 : 485,875.15 = 124,180.07 : x
  2. Step 2: Convert to fraction form
    323,875.25/485,875.15 = 124,180.07/x
  3. Step 3: Cross multiply
    323,875.25x = 485,875.15 × 124,180.07
  4. Step 4: Simplify right side
    323,875.25x = 60,336,007,398.43
  5. Step 5: Solve for x
    x = 60,336,007,398.43/323,875.25
  6. Step 6: Final answer
    x = 186,293.97

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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.