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Finding the Fourth Proportional to 234,935.64, 352,329.55 and 77,127.39

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Solution

The fourth proportional to 234,935.64, 352,329.55 and 77,127.39 is: 115,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,935.64 : 352,329.55 = 77,127.39 : x
  2. Step 2: Convert to fraction form
    234,935.64/352,329.55 = 77,127.39/x
  3. Step 3: Cross multiply
    234,935.64x = 352,329.55 × 77,127.39
  4. Step 4: Simplify right side
    234,935.64x = 27,174,258,418.56
  5. Step 5: Solve for x
    x = 27,174,258,418.56/234,935.64
  6. Step 6: Final answer
    x = 115,666.82

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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.