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Finding the Fourth Proportional to 234,466.69, 323,527.47 and 138,957.97

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Solution

The fourth proportional to 234,466.69, 323,527.47 and 138,957.97 is: 191,740.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,466.69 : 323,527.47 = 138,957.97 : x
  2. Step 2: Convert to fraction form
    234,466.69/323,527.47 = 138,957.97/x
  3. Step 3: Cross multiply
    234,466.69x = 323,527.47 × 138,957.97
  4. Step 4: Simplify right side
    234,466.69x = 44,956,720,470.44
  5. Step 5: Solve for x
    x = 44,956,720,470.44/234,466.69
  6. Step 6: Final answer
    x = 191,740.33

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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.