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Finding the Fourth Proportional to 262,563.87, 362,192.24 and 172,065.81

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Solution

The fourth proportional to 262,563.87, 362,192.24 and 172,065.81 is: 237,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,563.87 : 362,192.24 = 172,065.81 : x
  2. Step 2: Convert to fraction form
    262,563.87/362,192.24 = 172,065.81/x
  3. Step 3: Cross multiply
    262,563.87x = 362,192.24 × 172,065.81
  4. Step 4: Simplify right side
    262,563.87x = 62,320,900,290.99
  5. Step 5: Solve for x
    x = 62,320,900,290.99/262,563.87
  6. Step 6: Final answer
    x = 237,355.20

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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.