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Finding the Fourth Proportional to 237,697.20, 356,470.49 and 77,736.17

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Solution

The fourth proportional to 237,697.20, 356,470.49 and 77,736.17 is: 116,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,697.20 : 356,470.49 = 77,736.17 : x
  2. Step 2: Convert to fraction form
    237,697.20/356,470.49 = 77,736.17/x
  3. Step 3: Cross multiply
    237,697.20x = 356,470.49 × 77,736.17
  4. Step 4: Simplify right side
    237,697.20x = 27,710,651,696.14
  5. Step 5: Solve for x
    x = 27,710,651,696.14/237,697.20
  6. Step 6: Final answer
    x = 116,579.63

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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.