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Finding the Fourth Proportional to 183,218.54, 274,783.61 and 76,544.87

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Solution

The fourth proportional to 183,218.54, 274,783.61 and 76,544.87 is: 114,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,218.54 : 274,783.61 = 76,544.87 : x
  2. Step 2: Convert to fraction form
    183,218.54/274,783.61 = 76,544.87/x
  3. Step 3: Cross multiply
    183,218.54x = 274,783.61 × 76,544.87
  4. Step 4: Simplify right side
    183,218.54x = 21,033,275,322.86
  5. Step 5: Solve for x
    x = 21,033,275,322.86/183,218.54
  6. Step 6: Final answer
    x = 114,798.84

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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.