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Finding the Fourth Proportional to 374,191.94, 561,279.93 and 121,472.02

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Solution

The fourth proportional to 374,191.94, 561,279.93 and 121,472.02 is: 182,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,191.94 : 561,279.93 = 121,472.02 : x
  2. Step 2: Convert to fraction form
    374,191.94/561,279.93 = 121,472.02/x
  3. Step 3: Cross multiply
    374,191.94x = 561,279.93 × 121,472.02
  4. Step 4: Simplify right side
    374,191.94x = 68,179,806,882.56
  5. Step 5: Solve for x
    x = 68,179,806,882.56/374,191.94
  6. Step 6: Final answer
    x = 182,205.44

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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.