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Finding the Fourth Proportional to 374,168.61, 561,474.35 and 137,677.37

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Solution

The fourth proportional to 374,168.61, 561,474.35 and 137,677.37 is: 206,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,168.61 : 561,474.35 = 137,677.37 : x
  2. Step 2: Convert to fraction form
    374,168.61/561,474.35 = 137,677.37/x
  3. Step 3: Cross multiply
    374,168.61x = 561,474.35 × 137,677.37
  4. Step 4: Simplify right side
    374,168.61x = 77,302,308,334.70
  5. Step 5: Solve for x
    x = 77,302,308,334.70/374,168.61
  6. Step 6: Final answer
    x = 206,597.52

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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.