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Finding the Fourth Proportional to 374,553.47, 561,846.61 and 108,340.89

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Solution

The fourth proportional to 374,553.47, 561,846.61 and 108,340.89 is: 162,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,553.47 : 561,846.61 = 108,340.89 : x
  2. Step 2: Convert to fraction form
    374,553.47/561,846.61 = 108,340.89/x
  3. Step 3: Cross multiply
    374,553.47x = 561,846.61 × 108,340.89
  4. Step 4: Simplify right side
    374,553.47x = 60,870,961,770.88
  5. Step 5: Solve for x
    x = 60,870,961,770.88/374,553.47
  6. Step 6: Final answer
    x = 162,516.08

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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.