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Finding the Fourth Proportional to 242,958.96, 364,186.92 and 118,144.88

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Solution

The fourth proportional to 242,958.96, 364,186.92 and 118,144.88 is: 177,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,958.96 : 364,186.92 = 118,144.88 : x
  2. Step 2: Convert to fraction form
    242,958.96/364,186.92 = 118,144.88/x
  3. Step 3: Cross multiply
    242,958.96x = 364,186.92 × 118,144.88
  4. Step 4: Simplify right side
    242,958.96x = 43,026,819,960.97
  5. Step 5: Solve for x
    x = 43,026,819,960.97/242,958.96
  6. Step 6: Final answer
    x = 177,095.01

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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.