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Finding the Fourth Proportional to 234,308.93, 323,345.73 and 126,878.95

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Solution

The fourth proportional to 234,308.93, 323,345.73 and 126,878.95 is: 175,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,308.93 : 323,345.73 = 126,878.95 : x
  2. Step 2: Convert to fraction form
    234,308.93/323,345.73 = 126,878.95/x
  3. Step 3: Cross multiply
    234,308.93x = 323,345.73 × 126,878.95
  4. Step 4: Simplify right side
    234,308.93x = 41,025,767,589.36
  5. Step 5: Solve for x
    x = 41,025,767,589.36/234,308.93
  6. Step 6: Final answer
    x = 175,092.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.