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Finding the Fourth Proportional to 242,647.43, 334,855.88 and 133,755.63

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Solution

The fourth proportional to 242,647.43, 334,855.88 and 133,755.63 is: 184,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,647.43 : 334,855.88 = 133,755.63 : x
  2. Step 2: Convert to fraction form
    242,647.43/334,855.88 = 133,755.63/x
  3. Step 3: Cross multiply
    242,647.43x = 334,855.88 × 133,755.63
  4. Step 4: Simplify right side
    242,647.43x = 44,788,856,845.55
  5. Step 5: Solve for x
    x = 44,788,856,845.55/242,647.43
  6. Step 6: Final answer
    x = 184,584.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.