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Finding the Fourth Proportional to 374,050.62, 561,149.13 and 137,395.14

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Solution

The fourth proportional to 374,050.62, 561,149.13 and 137,395.14 is: 206,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,050.62 : 561,149.13 = 137,395.14 : x
  2. Step 2: Convert to fraction form
    374,050.62/561,149.13 = 137,395.14/x
  3. Step 3: Cross multiply
    374,050.62x = 561,149.13 × 137,395.14
  4. Step 4: Simplify right side
    374,050.62x = 77,099,163,277.23
  5. Step 5: Solve for x
    x = 77,099,163,277.23/374,050.62
  6. Step 6: Final answer
    x = 206,119.60

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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.