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Finding the Fourth Proportional to 176,661.43, 243,770.65 and 119,425.28

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Solution

The fourth proportional to 176,661.43, 243,770.65 and 119,425.28 is: 164,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,661.43 : 243,770.65 = 119,425.28 : x
  2. Step 2: Convert to fraction form
    176,661.43/243,770.65 = 119,425.28/x
  3. Step 3: Cross multiply
    176,661.43x = 243,770.65 × 119,425.28
  4. Step 4: Simplify right side
    176,661.43x = 29,112,376,614.62
  5. Step 5: Solve for x
    x = 29,112,376,614.62/176,661.43
  6. Step 6: Final answer
    x = 164,791.92

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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.