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Finding the Fourth Proportional to 150,550.86, 207,762.36 and 82,574.34

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Solution

The fourth proportional to 150,550.86, 207,762.36 and 82,574.34 is: 113,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,550.86 : 207,762.36 = 82,574.34 : x
  2. Step 2: Convert to fraction form
    150,550.86/207,762.36 = 82,574.34/x
  3. Step 3: Cross multiply
    150,550.86x = 207,762.36 × 82,574.34
  4. Step 4: Simplify right side
    150,550.86x = 17,155,839,753.84
  5. Step 5: Solve for x
    x = 17,155,839,753.84/150,550.86
  6. Step 6: Final answer
    x = 113,953.78

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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.