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Finding the Fourth Proportional to 262,356.98, 393,203.30 and 167,550.53

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Solution

The fourth proportional to 262,356.98, 393,203.30 and 167,550.53 is: 251,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,356.98 : 393,203.30 = 167,550.53 : x
  2. Step 2: Convert to fraction form
    262,356.98/393,203.30 = 167,550.53/x
  3. Step 3: Cross multiply
    262,356.98x = 393,203.30 × 167,550.53
  4. Step 4: Simplify right side
    262,356.98x = 65,881,418,508.98
  5. Step 5: Solve for x
    x = 65,881,418,508.98/262,356.98
  6. Step 6: Final answer
    x = 251,113.65

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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.