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Finding the Fourth Proportional to 259,940.73, 358,677.76 and 146,761.05

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Solution

The fourth proportional to 259,940.73, 358,677.76 and 146,761.05 is: 202,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,940.73 : 358,677.76 = 146,761.05 : x
  2. Step 2: Convert to fraction form
    259,940.73/358,677.76 = 146,761.05/x
  3. Step 3: Cross multiply
    259,940.73x = 358,677.76 × 146,761.05
  4. Step 4: Simplify right side
    259,940.73x = 52,639,924,669.25
  5. Step 5: Solve for x
    x = 52,639,924,669.25/259,940.73
  6. Step 6: Final answer
    x = 202,507.41

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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.