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Finding the Fourth Proportional to 272,605.60, 375,982.59 and 177,142.96

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Solution

The fourth proportional to 272,605.60, 375,982.59 and 177,142.96 is: 244,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,605.60 : 375,982.59 = 177,142.96 : x
  2. Step 2: Convert to fraction form
    272,605.60/375,982.59 = 177,142.96/x
  3. Step 3: Cross multiply
    272,605.60x = 375,982.59 × 177,142.96
  4. Step 4: Simplify right side
    272,605.60x = 66,602,668,901.07
  5. Step 5: Solve for x
    x = 66,602,668,901.07/272,605.60
  6. Step 6: Final answer
    x = 244,318.78

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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.