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Finding the Fourth Proportional to 374,123.29, 561,267.86 and 107,863.03

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Solution

The fourth proportional to 374,123.29, 561,267.86 and 107,863.03 is: 161,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,123.29 : 561,267.86 = 107,863.03 : x
  2. Step 2: Convert to fraction form
    374,123.29/561,267.86 = 107,863.03/x
  3. Step 3: Cross multiply
    374,123.29x = 561,267.86 × 107,863.03
  4. Step 4: Simplify right side
    374,123.29x = 60,540,052,021.22
  5. Step 5: Solve for x
    x = 60,540,052,021.22/374,123.29
  6. Step 6: Final answer
    x = 161,818.45

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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.