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Finding the Fourth Proportional to 360,039.14, 540,052.02 and 107,490.86

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Solution

The fourth proportional to 360,039.14, 540,052.02 and 107,490.86 is: 161,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,039.14 : 540,052.02 = 107,490.86 : x
  2. Step 2: Convert to fraction form
    360,039.14/540,052.02 = 107,490.86/x
  3. Step 3: Cross multiply
    360,039.14x = 540,052.02 × 107,490.86
  4. Step 4: Simplify right side
    360,039.14x = 58,050,656,074.54
  5. Step 5: Solve for x
    x = 58,050,656,074.54/360,039.14
  6. Step 6: Final answer
    x = 161,234.29

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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.