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Finding the Fourth Proportional to 374,139.93, 561,265.26 and 137,464.17

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Solution

The fourth proportional to 374,139.93, 561,265.26 and 137,464.17 is: 206,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,139.93 : 561,265.26 = 137,464.17 : x
  2. Step 2: Convert to fraction form
    374,139.93/561,265.26 = 137,464.17/x
  3. Step 3: Cross multiply
    374,139.93x = 561,265.26 × 137,464.17
  4. Step 4: Simplify right side
    374,139.93x = 77,153,863,115.73
  5. Step 5: Solve for x
    x = 77,153,863,115.73/374,139.93
  6. Step 6: Final answer
    x = 206,216.60

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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.