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Finding the Fourth Proportional to 274,279.05, 411,270.65 and 124,437.59

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Solution

The fourth proportional to 274,279.05, 411,270.65 and 124,437.59 is: 186,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,279.05 : 411,270.65 = 124,437.59 : x
  2. Step 2: Convert to fraction form
    274,279.05/411,270.65 = 124,437.59/x
  3. Step 3: Cross multiply
    274,279.05x = 411,270.65 × 124,437.59
  4. Step 4: Simplify right side
    274,279.05x = 51,177,525,845.19
  5. Step 5: Solve for x
    x = 51,177,525,845.19/274,279.05
  6. Step 6: Final answer
    x = 186,589.26

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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.