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Finding the Fourth Proportional to 234,729.51, 352,005.86 and 84,932.76

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Solution

The fourth proportional to 234,729.51, 352,005.86 and 84,932.76 is: 127,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,729.51 : 352,005.86 = 84,932.76 : x
  2. Step 2: Convert to fraction form
    234,729.51/352,005.86 = 84,932.76/x
  3. Step 3: Cross multiply
    234,729.51x = 352,005.86 × 84,932.76
  4. Step 4: Simplify right side
    234,729.51x = 29,896,828,801.31
  5. Step 5: Solve for x
    x = 29,896,828,801.31/234,729.51
  6. Step 6: Final answer
    x = 127,367.15

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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.