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Finding the Fourth Proportional to 242,956.08, 335,294.82 and 135,525.89

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Solution

The fourth proportional to 242,956.08, 335,294.82 and 135,525.89 is: 187,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,956.08 : 335,294.82 = 135,525.89 : x
  2. Step 2: Convert to fraction form
    242,956.08/335,294.82 = 135,525.89/x
  3. Step 3: Cross multiply
    242,956.08x = 335,294.82 × 135,525.89
  4. Step 4: Simplify right side
    242,956.08x = 45,441,129,731.13
  5. Step 5: Solve for x
    x = 45,441,129,731.13/242,956.08
  6. Step 6: Final answer
    x = 187,034.34

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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.