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Finding the Fourth Proportional to 374,556.48, 561,851.12 and 108,343.90

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Solution

The fourth proportional to 374,556.48, 561,851.12 and 108,343.90 is: 162,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,556.48 : 561,851.12 = 108,343.90 : x
  2. Step 2: Convert to fraction form
    374,556.48/561,851.12 = 108,343.90/x
  3. Step 3: Cross multiply
    374,556.48x = 561,851.12 × 108,343.90
  4. Step 4: Simplify right side
    374,556.48x = 60,873,141,560.17
  5. Step 5: Solve for x
    x = 60,873,141,560.17/374,556.48
  6. Step 6: Final answer
    x = 162,520.59

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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.