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Finding the Fourth Proportional to 236,980.62, 327,063.96 and 135,042.93

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Solution

The fourth proportional to 236,980.62, 327,063.96 and 135,042.93 is: 186,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,980.62 : 327,063.96 = 135,042.93 : x
  2. Step 2: Convert to fraction form
    236,980.62/327,063.96 = 135,042.93/x
  3. Step 3: Cross multiply
    236,980.62x = 327,063.96 × 135,042.93
  4. Step 4: Simplify right side
    236,980.62x = 44,167,675,455.80
  5. Step 5: Solve for x
    x = 44,167,675,455.80/236,980.62
  6. Step 6: Final answer
    x = 186,376.74

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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.