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Finding the Fourth Proportional to 374,406.84, 561,499.34 and 108,169.74

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Solution

The fourth proportional to 374,406.84, 561,499.34 and 108,169.74 is: 162,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,406.84 : 561,499.34 = 108,169.74 : x
  2. Step 2: Convert to fraction form
    374,406.84/561,499.34 = 108,169.74/x
  3. Step 3: Cross multiply
    374,406.84x = 561,499.34 × 108,169.74
  4. Step 4: Simplify right side
    374,406.84x = 60,737,237,077.12
  5. Step 5: Solve for x
    x = 60,737,237,077.12/374,406.84
  6. Step 6: Final answer
    x = 162,222.56

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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.