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Finding the Fourth Proportional to 183,380.69, 275,130.95 and 88,621.79

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Solution

The fourth proportional to 183,380.69, 275,130.95 and 88,621.79 is: 132,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,380.69 : 275,130.95 = 88,621.79 : x
  2. Step 2: Convert to fraction form
    183,380.69/275,130.95 = 88,621.79/x
  3. Step 3: Cross multiply
    183,380.69x = 275,130.95 × 88,621.79
  4. Step 4: Simplify right side
    183,380.69x = 24,382,595,454.64
  5. Step 5: Solve for x
    x = 24,382,595,454.64/183,380.69
  6. Step 6: Final answer
    x = 132,961.63

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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.