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Finding the Fourth Proportional to 237,643.36, 356,427.77 and 77,717.97

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Solution

The fourth proportional to 237,643.36, 356,427.77 and 77,717.97 is: 116,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,643.36 : 356,427.77 = 77,717.97 : x
  2. Step 2: Convert to fraction form
    237,643.36/356,427.77 = 77,717.97/x
  3. Step 3: Cross multiply
    237,643.36x = 356,427.77 × 77,717.97
  4. Step 4: Simplify right side
    237,643.36x = 27,700,842,736.03
  5. Step 5: Solve for x
    x = 27,700,842,736.03/237,643.36
  6. Step 6: Final answer
    x = 116,564.77

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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.