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Finding the Fourth Proportional to 135,755.98, 203,623.72 and 55,772.16

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Solution

The fourth proportional to 135,755.98, 203,623.72 and 55,772.16 is: 83,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,755.98 : 203,623.72 = 55,772.16 : x
  2. Step 2: Convert to fraction form
    135,755.98/203,623.72 = 55,772.16/x
  3. Step 3: Cross multiply
    135,755.98x = 203,623.72 × 55,772.16
  4. Step 4: Simplify right side
    135,755.98x = 11,356,534,691.64
  5. Step 5: Solve for x
    x = 11,356,534,691.64/135,755.98
  6. Step 6: Final answer
    x = 83,654.03

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1.5x scale

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.