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Finding the Fourth Proportional to 360,108.95, 540,151.81 and 107,391.54

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Solution

The fourth proportional to 360,108.95, 540,151.81 and 107,391.54 is: 161,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,108.95 : 540,151.81 = 107,391.54 : x
  2. Step 2: Convert to fraction form
    360,108.95/540,151.81 = 107,391.54/x
  3. Step 3: Cross multiply
    360,108.95x = 540,151.81 × 107,391.54
  4. Step 4: Simplify right side
    360,108.95x = 58,007,734,441.21
  5. Step 5: Solve for x
    x = 58,007,734,441.21/360,108.95
  6. Step 6: Final answer
    x = 161,083.84

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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.