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Finding the Fourth Proportional to 265,839.90, 366,651.73 and 170,355.48

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Solution

The fourth proportional to 265,839.90, 366,651.73 and 170,355.48 is: 234,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,839.90 : 366,651.73 = 170,355.48 : x
  2. Step 2: Convert to fraction form
    265,839.90/366,651.73 = 170,355.48/x
  3. Step 3: Cross multiply
    265,839.90x = 366,651.73 × 170,355.48
  4. Step 4: Simplify right side
    265,839.90x = 62,461,131,456.98
  5. Step 5: Solve for x
    x = 62,461,131,456.98/265,839.90
  6. Step 6: Final answer
    x = 234,957.70

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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.