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Finding the Fourth Proportional to 262,192.82, 361,812.14 and 154,723.64

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Solution

The fourth proportional to 262,192.82, 361,812.14 and 154,723.64 is: 213,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,192.82 : 361,812.14 = 154,723.64 : x
  2. Step 2: Convert to fraction form
    262,192.82/361,812.14 = 154,723.64/x
  3. Step 3: Cross multiply
    262,192.82x = 361,812.14 × 154,723.64
  4. Step 4: Simplify right side
    262,192.82x = 55,980,891,296.99
  5. Step 5: Solve for x
    x = 55,980,891,296.99/262,192.82
  6. Step 6: Final answer
    x = 213,510.39

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1.5x scale

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.